1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
18 | |
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19 | #include <pthread.h> |
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20 | |
10 | |
21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
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24 | #include <sys/select.h> |
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25 | #include <sys/types.h> |
14 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
27 | #include <limits.h> |
16 | #include <limits.h> |
28 | #include <unistd.h> |
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29 | #include <fcntl.h> |
17 | #include <fcntl.h> |
30 | #include <signal.h> |
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31 | #include <sched.h> |
18 | #include <sched.h> |
32 | |
19 | |
33 | #if HAVE_SENDFILE |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
34 | # if __linux |
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35 | # include <sys/sendfile.h> |
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36 | # elif __freebsd |
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37 | # include <sys/socket.h> |
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38 | # include <sys/uio.h> |
21 | # include <sys/mman.h> |
39 | # elif __hpux |
22 | #endif |
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23 | |
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24 | /* the incompetent fool that created musl keeps __linux__, refuses |
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25 | * to implement any linux standard apis, and also has no way to test |
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26 | * for his broken iplementation. on't complain if this fails for you. |
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27 | */ |
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28 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
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29 | # include <linux/fs.h> |
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30 | # ifdef FS_IOC_FIEMAP |
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31 | # include <linux/types.h> |
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32 | # include <linux/fiemap.h> |
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33 | # define HAVE_FIEMAP 1 |
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34 | # endif |
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35 | #endif |
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36 | |
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37 | /* perl namespace pollution */ |
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38 | #undef VERSION |
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39 | |
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40 | /* perl stupidly overrides readdir and maybe others */ |
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41 | /* with thread-unsafe versions, imagine that :( */ |
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42 | #undef readdir |
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43 | #undef opendir |
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44 | #undef closedir |
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45 | |
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46 | #ifdef _WIN32 |
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47 | |
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48 | // perl overrides all those nice libc functions |
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49 | |
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50 | #undef malloc |
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51 | #undef free |
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52 | #undef open |
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53 | #undef read |
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54 | #undef write |
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55 | #undef send |
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56 | #undef recv |
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57 | #undef stat |
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58 | #undef lstat |
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59 | #undef fstat |
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60 | #undef truncate |
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61 | #undef ftruncate |
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62 | #undef open |
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63 | #undef link |
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64 | #undef close |
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65 | #undef unlink |
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66 | #undef mkdir |
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67 | #undef rmdir |
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68 | #undef rename |
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69 | #undef lseek |
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70 | #undef opendir |
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71 | #undef readdir |
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72 | #undef closedir |
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73 | #undef chmod |
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74 | #undef fchmod |
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75 | #undef dup |
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76 | #undef dup2 |
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77 | #undef abort |
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78 | #undef pipe |
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79 | |
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80 | #define EIO_STRUCT_STAT struct _stati64 |
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81 | #define EIO_STRUCT_STATI64 |
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82 | |
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83 | #else |
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84 | |
40 | # include <sys/socket.h> |
85 | #include <sys/time.h> |
41 | # elif __solaris /* not yet */ |
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42 | # include <sys/sendfile.h> |
86 | #include <sys/select.h> |
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87 | #include <unistd.h> |
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88 | #include <utime.h> |
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89 | #include <signal.h> |
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90 | |
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91 | #define EIO_STRUCT_STAT Stat_t |
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92 | |
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93 | #endif |
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94 | |
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95 | /*****************************************************************************/ |
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96 | |
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97 | #if __GNUC__ >= 3 |
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98 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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99 | #else |
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100 | # define expect(expr,value) (expr) |
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101 | #endif |
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102 | |
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103 | #define expect_false(expr) expect ((expr) != 0, 0) |
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104 | #define expect_true(expr) expect ((expr) != 0, 1) |
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105 | |
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106 | /*****************************************************************************/ |
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107 | |
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108 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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109 | typedef int aio_rfd; /* read file desriptor */ |
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110 | typedef int aio_wfd; /* write file descriptor */ |
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111 | |
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112 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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113 | |
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114 | #define EIO_REQ_MEMBERS \ |
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115 | SV *callback; \ |
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116 | SV *sv1, *sv2; \ |
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117 | SV *sv3, *sv4; \ |
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118 | STRLEN stroffset; \ |
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119 | SV *self; |
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120 | |
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121 | #define EIO_NO_WRAPPERS 1 |
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122 | |
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123 | #include "libeio/config.h" |
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124 | #include "libeio/eio.h" |
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125 | |
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126 | static int req_invoke (eio_req *req); |
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127 | #define EIO_FINISH(req) req_invoke (req) |
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128 | static void req_destroy (eio_req *grp); |
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129 | #define EIO_DESTROY(req) req_destroy (req) |
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130 | |
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131 | #include "libeio/eio.c" |
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132 | |
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133 | #if !HAVE_POSIX_FADVISE |
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134 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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135 | #endif |
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136 | |
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137 | #if !HAVE_POSIX_MADVISE |
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138 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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139 | #endif |
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140 | |
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141 | #ifndef MAP_ANONYMOUS |
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142 | # ifdef MAP_ANON |
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143 | # define MAP_ANONYMOUS MAP_ANON |
43 | # else |
144 | # else |
44 | # error sendfile support requested but not available |
145 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
45 | # endif |
146 | # endif |
46 | #endif |
147 | #endif |
47 | |
148 | |
48 | /* number of seconds after which idle threads exit */ |
149 | /* defines all sorts of constants to 0 unless they are already defined */ |
49 | #define IDLE_TIMEOUT 10 |
150 | #include "def0.h" |
50 | |
151 | |
51 | /* used for struct dirent, AIX doesn't provide it */ |
152 | #ifndef makedev |
52 | #ifndef NAME_MAX |
153 | # define makedev(maj,min) (((maj) << 8) | (min)) |
53 | # define NAME_MAX 4096 |
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54 | #endif |
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55 | |
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56 | #ifndef PTHREAD_STACK_MIN |
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57 | /* care for broken platforms, e.g. windows */ |
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58 | # define PTHREAD_STACK_MIN 16384 |
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59 | #endif |
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60 | |
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61 | #if __ia64 |
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62 | # define STACKSIZE 65536 |
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63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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64 | # define STACKSIZE PTHREAD_STACK_MIN |
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65 | #else |
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66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
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69 | /* wether word reads are potentially non-atomic. |
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70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDREAD_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDREAD_UNSAFE 0 |
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76 | # else |
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77 | # define WORDREAD_UNSAFE 1 |
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78 | # endif |
154 | #endif |
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155 | #ifndef major |
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156 | # define major(dev) ((dev) >> 8) |
79 | #endif |
157 | #endif |
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158 | #ifndef minor |
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159 | # define minor(dev) ((dev) & 0xff) |
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160 | #endif |
80 | |
161 | |
81 | /* buffer size for various temporary buffers */ |
162 | #if PAGESIZE <= 0 |
82 | #define AIO_BUFSIZE 65536 |
163 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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164 | #endif |
83 | |
165 | |
84 | #define dBUF \ |
166 | /*****************************************************************************/ |
85 | char *aio_buf; \ |
167 | |
86 | LOCK (wrklock); \ |
168 | static void |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
169 | fiemap (eio_req *req) |
88 | UNLOCK (wrklock); \ |
170 | { |
89 | if (!aio_buf) \ |
171 | req->result = -1; |
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172 | |
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173 | #if HAVE_FIEMAP |
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174 | /* assume some c99 */ |
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175 | struct fiemap *fiemap = 0; |
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176 | size_t end_offset; |
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177 | int count = req->int3; |
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178 | |
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179 | req->flags |= EIO_FLAG_PTR1_FREE; |
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180 | |
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181 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
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182 | /* increase in 3.5kb steps */ |
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183 | if (count < 0) |
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184 | count = 8; |
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185 | |
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186 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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187 | errno = ENOMEM; |
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188 | if (!fiemap) |
90 | return -1; |
189 | return; |
91 | |
190 | |
92 | enum { |
191 | req->ptr1 = fiemap; |
93 | REQ_QUIT, |
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94 | REQ_OPEN, REQ_CLOSE, |
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95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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96 | REQ_SENDFILE, |
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97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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98 | REQ_FSYNC, REQ_FDATASYNC, |
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99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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100 | REQ_MKNOD, REQ_READDIR, |
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101 | REQ_LINK, REQ_SYMLINK, |
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102 | REQ_GROUP, REQ_NOP, |
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103 | REQ_BUSY, |
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104 | }; |
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105 | |
192 | |
106 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
193 | fiemap->fm_start = req->offs; |
107 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
194 | fiemap->fm_length = req->size; |
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195 | fiemap->fm_flags = req->int2; |
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196 | fiemap->fm_extent_count = count; |
108 | |
197 | |
109 | typedef struct aio_cb |
198 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
110 | { |
199 | return; |
111 | struct aio_cb *volatile next; |
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112 | |
200 | |
113 | SV *data, *callback; |
201 | if (req->int3 >= 0 /* not autosizing */ |
114 | SV *fh, *fh2; |
202 | || !fiemap->fm_mapped_extents /* no more extents */ |
115 | void *dataptr, *data2ptr; |
203 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
116 | Stat_t *statdata; |
204 | goto done; |
117 | off_t offset; |
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118 | size_t length; |
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119 | ssize_t result; |
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120 | |
205 | |
121 | STRLEN dataoffset; |
206 | /* else we have to loop - |
122 | int type; |
207 | * it would be tempting (actually I tried that first) to just query the |
123 | int fd, fd2; |
208 | * number of extents needed, but linux often feels like not returning all |
124 | int errorno; |
209 | * extents, without telling us it left any out. this complicates |
125 | mode_t mode; /* open */ |
210 | * this quite a bit. |
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211 | */ |
126 | |
212 | |
127 | unsigned char flags; |
213 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
128 | unsigned char pri; |
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129 | |
214 | |
130 | SV *self; /* the perl counterpart of this request, if any */ |
215 | for (;;) |
131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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132 | } aio_cb; |
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133 | |
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134 | enum { |
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135 | FLAG_CANCELLED = 0x01, |
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136 | }; |
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137 | |
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138 | typedef aio_cb *aio_req; |
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139 | typedef aio_cb *aio_req_ornot; |
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140 | |
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141 | enum { |
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142 | PRI_MIN = -4, |
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143 | PRI_MAX = 4, |
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144 | |
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145 | DEFAULT_PRI = 0, |
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146 | PRI_BIAS = -PRI_MIN, |
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147 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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148 | }; |
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149 | |
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150 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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151 | |
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152 | static unsigned int started, idle, wanted; |
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153 | |
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154 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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155 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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156 | #else |
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157 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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158 | #endif |
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159 | |
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160 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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161 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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162 | |
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163 | /* worker threads management */ |
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164 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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165 | |
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166 | typedef struct worker { |
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167 | /* locked by wrklock */ |
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168 | struct worker *prev, *next; |
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169 | |
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170 | pthread_t tid; |
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171 | |
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172 | /* locked by reslock, reqlock or wrklock */ |
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173 | aio_req req; /* currently processed request */ |
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174 | void *dbuf; |
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175 | DIR *dirp; |
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176 | } worker; |
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177 | |
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178 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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179 | |
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180 | static void worker_clear (worker *wrk) |
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181 | { |
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182 | if (wrk->dirp) |
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183 | { |
216 | { |
184 | closedir (wrk->dirp); |
217 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
185 | wrk->dirp = 0; |
218 | char scratch[3072]; |
186 | } |
219 | struct fiemap *incmap = (struct fiemap *)scratch; |
187 | |
220 | |
188 | if (wrk->dbuf) |
221 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
189 | { |
222 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
190 | free (wrk->dbuf); |
223 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
191 | wrk->dbuf = 0; |
224 | incmap->fm_flags = fiemap->fm_flags; |
192 | } |
225 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
193 | } |
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194 | |
226 | |
195 | static void worker_free (worker *wrk) |
227 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
196 | { |
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197 | wrk->next->prev = wrk->prev; |
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198 | wrk->prev->next = wrk->next; |
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199 | |
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200 | free (wrk); |
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201 | } |
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202 | |
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203 | static volatile unsigned int nreqs, nready, npending; |
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204 | static volatile unsigned int max_idle = 4; |
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205 | static volatile unsigned int max_outstanding = 0xffffffff; |
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206 | static int respipe [2]; |
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207 | |
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208 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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209 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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210 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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211 | |
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212 | #if WORDREAD_UNSAFE |
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213 | |
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214 | static unsigned int get_nready () |
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215 | { |
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216 | unsigned int retval; |
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217 | |
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218 | LOCK (reqlock); |
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219 | retval = nready; |
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220 | UNLOCK (reqlock); |
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221 | |
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222 | return retval; |
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223 | } |
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224 | |
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225 | static unsigned int get_npending () |
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226 | { |
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227 | unsigned int retval; |
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228 | |
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229 | LOCK (reslock); |
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230 | retval = npending; |
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231 | UNLOCK (reslock); |
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232 | |
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233 | return retval; |
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234 | } |
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235 | |
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236 | #else |
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237 | |
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238 | # define get_nready() nready |
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239 | # define get_npending() npending |
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240 | |
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241 | #endif |
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242 | |
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243 | /* |
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244 | * a somewhat faster data structure might be nice, but |
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245 | * with 8 priorities this actually needs <20 insns |
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246 | * per shift, the most expensive operation. |
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247 | */ |
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248 | typedef struct { |
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249 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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250 | int size; |
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251 | } reqq; |
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252 | |
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253 | static reqq req_queue; |
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254 | static reqq res_queue; |
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255 | |
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256 | int reqq_push (reqq *q, aio_req req) |
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257 | { |
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258 | int pri = req->pri; |
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259 | req->next = 0; |
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260 | |
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261 | if (q->qe[pri]) |
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262 | { |
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263 | q->qe[pri]->next = req; |
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264 | q->qe[pri] = req; |
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265 | } |
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266 | else |
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267 | q->qe[pri] = q->qs[pri] = req; |
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268 | |
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269 | return q->size++; |
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270 | } |
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271 | |
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272 | aio_req reqq_shift (reqq *q) |
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273 | { |
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274 | int pri; |
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275 | |
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276 | if (!q->size) |
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277 | return 0; |
228 | return; |
278 | |
229 | |
279 | --q->size; |
230 | if (!incmap->fm_mapped_extents) |
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231 | goto done; |
280 | |
232 | |
281 | for (pri = NUM_PRI; pri--; ) |
233 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
282 | { |
234 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
283 | aio_req req = q->qs[pri]; |
235 | errno = ENOMEM; |
284 | |
|
|
285 | if (req) |
236 | if (!fiemap) |
|
|
237 | return; |
|
|
238 | |
|
|
239 | req->ptr1 = fiemap; |
|
|
240 | |
|
|
241 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
286 | { |
242 | { |
287 | if (!(q->qs[pri] = req->next)) |
243 | struct fiemap_extent *e = incmap->fm_extents + count; |
288 | q->qe[pri] = 0; |
|
|
289 | |
244 | |
290 | return req; |
245 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
246 | goto done; |
|
|
247 | |
|
|
248 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
249 | |
|
|
250 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
251 | goto done; |
|
|
252 | |
291 | } |
253 | } |
292 | } |
254 | } |
293 | |
255 | |
294 | abort (); |
256 | done: |
295 | } |
257 | req->result = 0; |
296 | |
258 | |
297 | static int poll_cb (int max); |
259 | #else |
298 | static void req_invoke (aio_req req); |
260 | errno = ENOSYS; |
|
|
261 | #endif |
|
|
262 | } |
|
|
263 | |
|
|
264 | /*****************************************************************************/ |
|
|
265 | |
|
|
266 | enum { |
|
|
267 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
|
|
268 | }; |
|
|
269 | |
|
|
270 | typedef eio_req *aio_req; |
|
|
271 | typedef eio_req *aio_req_ornot; |
|
|
272 | typedef eio_wd aio_wd; |
|
|
273 | |
|
|
274 | static SV *on_next_submit; |
|
|
275 | static int next_pri = EIO_PRI_DEFAULT; |
|
|
276 | static int max_outstanding; |
|
|
277 | |
|
|
278 | static s_epipe respipe; |
|
|
279 | |
299 | static void req_free (aio_req req); |
280 | static void req_destroy (aio_req req); |
300 | static void req_cancel (aio_req req); |
281 | static void req_cancel (aio_req req); |
301 | |
282 | |
|
|
283 | static void |
|
|
284 | want_poll (void) |
|
|
285 | { |
|
|
286 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
287 | s_epipe_signal (&respipe); |
|
|
288 | } |
|
|
289 | |
|
|
290 | static void |
|
|
291 | done_poll (void) |
|
|
292 | { |
|
|
293 | /* read any signals sent by the worker threads */ |
|
|
294 | s_epipe_drain (&respipe); |
|
|
295 | } |
|
|
296 | |
302 | /* must be called at most once */ |
297 | /* must be called at most once */ |
303 | static SV *req_sv (aio_req req, const char *klass) |
298 | static SV * |
|
|
299 | req_sv (aio_req req, HV *stash) |
304 | { |
300 | { |
305 | if (!req->self) |
301 | if (!req->self) |
306 | { |
302 | { |
307 | req->self = (SV *)newHV (); |
303 | req->self = (SV *)newHV (); |
308 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
304 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
309 | } |
305 | } |
310 | |
306 | |
311 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
307 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
312 | } |
308 | } |
313 | |
309 | |
314 | static aio_req SvAIO_REQ (SV *sv) |
310 | static SV * |
|
|
311 | newSVaio_wd (aio_wd wd) |
|
|
312 | { |
|
|
313 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
314 | } |
|
|
315 | |
|
|
316 | static aio_req |
|
|
317 | SvAIO_REQ (SV *sv) |
315 | { |
318 | { |
316 | MAGIC *mg; |
319 | MAGIC *mg; |
317 | |
320 | |
318 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
321 | if (!SvROK (sv) |
|
|
322 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
323 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
324 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
325 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
319 | croak ("object of class " AIO_REQ_KLASS " expected"); |
326 | croak ("object of class IO::AIO::REQ expected"); |
320 | |
327 | |
321 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
328 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
322 | |
329 | |
323 | return mg ? (aio_req)mg->mg_ptr : 0; |
330 | return mg ? (aio_req)mg->mg_ptr : 0; |
324 | } |
331 | } |
325 | |
332 | |
|
|
333 | static aio_wd |
|
|
334 | SvAIO_WD (SV *sv) |
|
|
335 | { |
|
|
336 | if (!SvROK (sv) |
|
|
337 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
338 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
339 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
340 | |
|
|
341 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
342 | } |
|
|
343 | |
|
|
344 | static SV * |
|
|
345 | newmortalFH (int fd, int flags) |
|
|
346 | { |
|
|
347 | if (fd < 0) |
|
|
348 | return &PL_sv_undef; |
|
|
349 | |
|
|
350 | GV *gv = (GV *)sv_newmortal (); |
|
|
351 | char sym[64]; |
|
|
352 | int symlen; |
|
|
353 | |
|
|
354 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
355 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
356 | |
|
|
357 | symlen = snprintf ( |
|
|
358 | sym, |
|
|
359 | sizeof (sym), |
|
|
360 | "%s&=%d", |
|
|
361 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
362 | fd |
|
|
363 | ); |
|
|
364 | |
|
|
365 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
366 | ? (SV *)gv : &PL_sv_undef; |
|
|
367 | } |
|
|
368 | |
|
|
369 | static void |
326 | static void aio_grp_feed (aio_req grp) |
370 | aio_grp_feed (aio_req grp) |
327 | { |
371 | { |
328 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
372 | if (grp->sv2 && SvOK (grp->sv2)) |
329 | { |
373 | { |
330 | int old_len = grp->length; |
|
|
331 | |
|
|
332 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
333 | { |
|
|
334 | dSP; |
374 | dSP; |
335 | |
375 | |
336 | ENTER; |
376 | ENTER; |
337 | SAVETMPS; |
377 | SAVETMPS; |
338 | PUSHMARK (SP); |
378 | PUSHMARK (SP); |
339 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
379 | XPUSHs (req_sv (grp, aio_grp_stash)); |
340 | PUTBACK; |
380 | PUTBACK; |
341 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
381 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
342 | SPAGAIN; |
382 | SPAGAIN; |
343 | FREETMPS; |
383 | FREETMPS; |
344 | LEAVE; |
384 | LEAVE; |
345 | } |
|
|
346 | |
|
|
347 | /* stop if no progress has been made */ |
|
|
348 | if (old_len == grp->length) |
|
|
349 | { |
|
|
350 | SvREFCNT_dec (grp->fh2); |
|
|
351 | grp->fh2 = 0; |
|
|
352 | break; |
|
|
353 | } |
|
|
354 | } |
385 | } |
355 | } |
386 | } |
356 | |
387 | |
357 | static void aio_grp_dec (aio_req grp) |
388 | static void |
|
|
389 | req_submit (eio_req *req) |
358 | { |
390 | { |
359 | --grp->length; |
391 | eio_submit (req); |
360 | |
392 | |
361 | /* call feeder, if applicable */ |
393 | if (expect_false (on_next_submit)) |
362 | aio_grp_feed (grp); |
|
|
363 | |
|
|
364 | /* finish, if done */ |
|
|
365 | if (!grp->length && grp->fd) |
|
|
366 | { |
394 | { |
367 | req_invoke (grp); |
395 | dSP; |
368 | req_free (grp); |
396 | SV *cb = sv_2mortal (on_next_submit); |
|
|
397 | |
|
|
398 | on_next_submit = 0; |
|
|
399 | |
|
|
400 | PUSHMARK (SP); |
|
|
401 | PUTBACK; |
|
|
402 | call_sv (cb, G_DISCARD | G_EVAL); |
369 | } |
403 | } |
370 | } |
404 | } |
371 | |
405 | |
|
|
406 | static int |
372 | static void req_invoke (aio_req req) |
407 | req_invoke (eio_req *req) |
373 | { |
408 | { |
374 | dSP; |
409 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
410 | SvREADONLY_off (req->sv2); |
375 | |
411 | |
376 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
412 | if (!EIO_CANCELLED (req) && req->callback) |
377 | { |
413 | { |
|
|
414 | dSP; |
|
|
415 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
416 | SV *sv_result; |
|
|
417 | |
378 | ENTER; |
418 | ENTER; |
379 | SAVETMPS; |
419 | SAVETMPS; |
380 | PUSHMARK (SP); |
420 | PUSHMARK (SP); |
381 | EXTEND (SP, 1); |
421 | EXTEND (SP, 1); |
382 | |
422 | |
|
|
423 | /* do not recreate the result IV from scratch each time */ |
|
|
424 | if (expect_true (sv_result_cache)) |
|
|
425 | { |
|
|
426 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
427 | SvIV_set (sv_result, req->result); |
|
|
428 | SvIOK_only (sv_result); |
|
|
429 | } |
|
|
430 | else |
|
|
431 | { |
|
|
432 | sv_result = newSViv (req->result); |
|
|
433 | SvREADONLY_on (sv_result); |
|
|
434 | } |
|
|
435 | |
383 | switch (req->type) |
436 | switch (req->type) |
384 | { |
437 | { |
|
|
438 | case EIO_WD_OPEN: |
|
|
439 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
440 | break; |
|
|
441 | |
385 | case REQ_READDIR: |
442 | case EIO_READDIR: |
386 | { |
443 | { |
387 | SV *rv = &PL_sv_undef; |
444 | SV *rv = &PL_sv_undef; |
388 | |
445 | |
389 | if (req->result >= 0) |
446 | if (req->result >= 0) |
390 | { |
447 | { |
391 | int i; |
448 | int i; |
392 | char *buf = req->data2ptr; |
449 | char *names = (char *)req->ptr2; |
|
|
450 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
393 | AV *av = newAV (); |
451 | AV *av = newAV (); |
394 | |
452 | |
395 | av_extend (av, req->result - 1); |
453 | av_extend (av, req->result - 1); |
396 | |
454 | |
397 | for (i = 0; i < req->result; ++i) |
455 | for (i = 0; i < req->result; ++i) |
398 | { |
456 | { |
399 | SV *sv = newSVpv (buf, 0); |
457 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
458 | { |
|
|
459 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
400 | |
460 | |
|
|
461 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
462 | { |
|
|
463 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
464 | AV *avent = newAV (); |
|
|
465 | |
|
|
466 | av_extend (avent, 2); |
|
|
467 | |
|
|
468 | if (!sv_type [ent->type]) |
|
|
469 | { |
|
|
470 | sv_type [ent->type] = newSViv (ent->type); |
|
|
471 | SvREADONLY_on (sv_type [ent->type]); |
|
|
472 | } |
|
|
473 | |
|
|
474 | av_store (avent, 0, namesv); |
|
|
475 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
476 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
477 | |
|
|
478 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
479 | } |
|
|
480 | else |
401 | av_store (av, i, sv); |
481 | av_store (av, i, namesv); |
|
|
482 | |
|
|
483 | ++ent; |
|
|
484 | } |
|
|
485 | else |
|
|
486 | { |
|
|
487 | SV *name = newSVpv (names, 0); |
|
|
488 | av_store (av, i, name); |
402 | buf += SvCUR (sv) + 1; |
489 | names += SvCUR (name) + 1; |
|
|
490 | } |
403 | } |
491 | } |
404 | |
492 | |
405 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
493 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
406 | } |
494 | } |
407 | |
495 | |
408 | PUSHs (rv); |
496 | PUSHs (rv); |
|
|
497 | |
|
|
498 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
499 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
409 | } |
500 | } |
410 | break; |
501 | break; |
411 | |
502 | |
412 | case REQ_OPEN: |
503 | case EIO_OPEN: |
|
|
504 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
505 | break; |
|
|
506 | |
|
|
507 | case EIO_STATVFS: |
|
|
508 | case EIO_FSTATVFS: |
413 | { |
509 | { |
414 | /* convert fd to fh */ |
510 | SV *rv = &PL_sv_undef; |
415 | SV *fh; |
511 | |
|
|
512 | #ifndef _WIN32 |
|
|
513 | if (req->result >= 0) |
|
|
514 | { |
|
|
515 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
516 | HV *hv = newHV (); |
|
|
517 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
518 | * chooses to make it a struct. |
|
|
519 | */ |
|
|
520 | unsigned long fsid = 0; |
|
|
521 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
416 | |
522 | |
417 | PUSHs (sv_2mortal (newSViv (req->result))); |
523 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
418 | PUTBACK; |
|
|
419 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
420 | SPAGAIN; |
|
|
421 | |
524 | |
422 | fh = SvREFCNT_inc (POPs); |
525 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
526 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
527 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
528 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
529 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
530 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
531 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
532 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
533 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
534 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
535 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
536 | } |
|
|
537 | #endif |
423 | |
538 | |
424 | PUSHMARK (SP); |
539 | PUSHs (rv); |
425 | XPUSHs (sv_2mortal (fh)); |
|
|
426 | } |
540 | } |
|
|
541 | |
427 | break; |
542 | break; |
428 | |
543 | |
429 | case REQ_GROUP: |
544 | case EIO_GROUP: |
430 | req->fd = 2; /* mark group as finished */ |
545 | req->int1 = 2; /* mark group as finished */ |
431 | |
546 | |
432 | if (req->data) |
547 | if (req->sv1) |
433 | { |
548 | { |
434 | int i; |
549 | int i; |
435 | AV *av = (AV *)req->data; |
550 | AV *av = (AV *)req->sv1; |
436 | |
551 | |
437 | EXTEND (SP, AvFILL (av) + 1); |
552 | EXTEND (SP, AvFILL (av) + 1); |
438 | for (i = 0; i <= AvFILL (av); ++i) |
553 | for (i = 0; i <= AvFILL (av); ++i) |
439 | PUSHs (*av_fetch (av, i, 0)); |
554 | PUSHs (*av_fetch (av, i, 0)); |
440 | } |
555 | } |
441 | break; |
556 | break; |
442 | |
557 | |
443 | case REQ_NOP: |
558 | case EIO_NOP: |
444 | case REQ_BUSY: |
559 | case EIO_BUSY: |
445 | break; |
560 | break; |
446 | |
561 | |
|
|
562 | case EIO_READLINK: |
|
|
563 | case EIO_REALPATH: |
|
|
564 | if (req->result > 0) |
|
|
565 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
566 | break; |
|
|
567 | |
|
|
568 | case EIO_STAT: |
|
|
569 | case EIO_LSTAT: |
|
|
570 | case EIO_FSTAT: |
|
|
571 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
572 | |
|
|
573 | if (!(PL_laststatval = req->result)) |
|
|
574 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
575 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
576 | |
|
|
577 | PUSHs (sv_result); |
|
|
578 | break; |
|
|
579 | |
|
|
580 | case EIO_SEEK: |
|
|
581 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
582 | break; |
|
|
583 | |
|
|
584 | case EIO_READ: |
|
|
585 | { |
|
|
586 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
587 | *SvEND (req->sv2) = 0; |
|
|
588 | SvPOK_only (req->sv2); |
|
|
589 | SvSETMAGIC (req->sv2); |
|
|
590 | PUSHs (sv_result); |
|
|
591 | } |
|
|
592 | break; |
|
|
593 | |
|
|
594 | case EIO_CUSTOM: |
|
|
595 | if (req->feed == fiemap) |
|
|
596 | { |
|
|
597 | #if HAVE_FIEMAP |
|
|
598 | if (!req->result) |
|
|
599 | { |
|
|
600 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
601 | |
|
|
602 | if (fiemap->fm_extent_count) |
|
|
603 | { |
|
|
604 | AV *av = newAV (); |
|
|
605 | int i; |
|
|
606 | |
|
|
607 | while (fiemap->fm_mapped_extents) |
|
|
608 | { |
|
|
609 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
610 | AV *ext_av = newAV (); |
|
|
611 | |
|
|
612 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
613 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
614 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
615 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
616 | |
|
|
617 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
618 | } |
|
|
619 | |
|
|
620 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
621 | } |
|
|
622 | else |
|
|
623 | { |
|
|
624 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
625 | PUSHs (sv_result); |
|
|
626 | } |
|
|
627 | } |
|
|
628 | #endif |
|
|
629 | } |
|
|
630 | else |
|
|
631 | PUSHs (sv_result); |
|
|
632 | break; |
|
|
633 | |
|
|
634 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
635 | if (req->result > 0) |
|
|
636 | SvIV_set (sv_result, 0); |
|
|
637 | /* FALLTHROUGH */ |
|
|
638 | |
447 | default: |
639 | default: |
448 | PUSHs (sv_2mortal (newSViv (req->result))); |
640 | PUSHs (sv_result); |
449 | break; |
641 | break; |
450 | } |
642 | } |
451 | |
643 | |
452 | errno = req->errorno; |
644 | errno = req->errorno; |
453 | |
645 | |
454 | PUTBACK; |
646 | PUTBACK; |
455 | call_sv (req->callback, G_VOID | G_EVAL); |
647 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
456 | SPAGAIN; |
648 | SPAGAIN; |
|
|
649 | |
|
|
650 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
651 | SvREFCNT_dec (sv_result); |
|
|
652 | else |
|
|
653 | sv_result_cache = sv_result; |
457 | |
654 | |
458 | FREETMPS; |
655 | FREETMPS; |
459 | LEAVE; |
656 | LEAVE; |
|
|
657 | |
|
|
658 | PUTBACK; |
460 | } |
659 | } |
461 | |
660 | |
462 | if (req->grp) |
661 | return !!SvTRUE (ERRSV); |
463 | { |
|
|
464 | aio_req grp = req->grp; |
|
|
465 | |
|
|
466 | /* unlink request */ |
|
|
467 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
468 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
469 | |
|
|
470 | if (grp->grp_first == req) |
|
|
471 | grp->grp_first = req->grp_next; |
|
|
472 | |
|
|
473 | aio_grp_dec (grp); |
|
|
474 | } |
|
|
475 | |
|
|
476 | if (SvTRUE (ERRSV)) |
|
|
477 | { |
|
|
478 | req_free (req); |
|
|
479 | croak (0); |
|
|
480 | } |
|
|
481 | } |
662 | } |
482 | |
663 | |
483 | static void req_free (aio_req req) |
664 | static void |
|
|
665 | req_destroy (aio_req req) |
484 | { |
666 | { |
485 | if (req->self) |
667 | if (req->self) |
486 | { |
668 | { |
487 | sv_unmagic (req->self, PERL_MAGIC_ext); |
669 | sv_unmagic (req->self, PERL_MAGIC_ext); |
488 | SvREFCNT_dec (req->self); |
670 | SvREFCNT_dec (req->self); |
489 | } |
671 | } |
490 | |
672 | |
491 | SvREFCNT_dec (req->data); |
|
|
492 | SvREFCNT_dec (req->fh); |
673 | SvREFCNT_dec (req->sv1); |
493 | SvREFCNT_dec (req->fh2); |
674 | SvREFCNT_dec (req->sv2); |
|
|
675 | SvREFCNT_dec (req->sv3); |
|
|
676 | SvREFCNT_dec (req->sv4); |
494 | SvREFCNT_dec (req->callback); |
677 | SvREFCNT_dec (req->callback); |
495 | Safefree (req->statdata); |
|
|
496 | |
678 | |
497 | if (req->type == REQ_READDIR) |
|
|
498 | free (req->data2ptr); |
|
|
499 | |
|
|
500 | Safefree (req); |
679 | free (req); |
501 | } |
680 | } |
502 | |
681 | |
|
|
682 | static void |
503 | static void req_cancel_subs (aio_req grp) |
683 | req_cancel_subs (aio_req grp) |
504 | { |
684 | { |
505 | aio_req sub; |
|
|
506 | |
|
|
507 | if (grp->type != REQ_GROUP) |
685 | if (grp->type != EIO_GROUP) |
508 | return; |
686 | return; |
509 | |
687 | |
510 | SvREFCNT_dec (grp->fh2); |
688 | SvREFCNT_dec (grp->sv2); |
511 | grp->fh2 = 0; |
689 | grp->sv2 = 0; |
512 | |
690 | |
513 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
691 | eio_grp_cancel (grp); |
514 | req_cancel (sub); |
|
|
515 | } |
692 | } |
516 | |
693 | |
517 | static void req_cancel (aio_req req) |
694 | static void ecb_cold |
|
|
695 | create_respipe (void) |
518 | { |
696 | { |
519 | req->flags |= FLAG_CANCELLED; |
697 | if (s_epipe_renew (&respipe)) |
520 | |
698 | croak ("IO::AIO: unable to initialize result pipe"); |
521 | req_cancel_subs (req); |
|
|
522 | } |
699 | } |
523 | |
700 | |
524 | static void *aio_proc(void *arg); |
701 | static void |
525 | |
702 | poll_wait (void) |
526 | static void start_thread (void) |
|
|
527 | { |
703 | { |
528 | sigset_t fullsigset, oldsigset; |
|
|
529 | pthread_attr_t attr; |
|
|
530 | |
|
|
531 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
532 | |
|
|
533 | if (!wrk) |
|
|
534 | croak ("unable to allocate worker thread data"); |
|
|
535 | |
|
|
536 | pthread_attr_init (&attr); |
|
|
537 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
538 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
539 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
540 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
541 | #endif |
|
|
542 | |
|
|
543 | sigfillset (&fullsigset); |
|
|
544 | |
|
|
545 | LOCK (wrklock); |
|
|
546 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
547 | |
|
|
548 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
549 | { |
|
|
550 | wrk->prev = &wrk_first; |
|
|
551 | wrk->next = wrk_first.next; |
|
|
552 | wrk_first.next->prev = wrk; |
|
|
553 | wrk_first.next = wrk; |
|
|
554 | ++started; |
|
|
555 | } |
|
|
556 | else |
|
|
557 | free (wrk); |
|
|
558 | |
|
|
559 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
560 | UNLOCK (wrklock); |
|
|
561 | } |
|
|
562 | |
|
|
563 | static void maybe_start_thread () |
|
|
564 | { |
|
|
565 | if (started >= wanted) |
|
|
566 | return; |
|
|
567 | |
|
|
568 | /* todo: maybe use idle here, but might be less exact */ |
|
|
569 | if ((int)nready <= (int)started - (int)(nreqs - get_nready () - get_npending ())) |
|
|
570 | return; |
|
|
571 | |
|
|
572 | start_thread (); |
|
|
573 | } |
|
|
574 | |
|
|
575 | static void req_send (aio_req req) |
|
|
576 | { |
|
|
577 | ++nreqs; |
|
|
578 | |
|
|
579 | LOCK (reqlock); |
|
|
580 | ++nready; |
|
|
581 | reqq_push (&req_queue, req); |
|
|
582 | pthread_cond_signal (&reqwait); |
|
|
583 | UNLOCK (reqlock); |
|
|
584 | |
|
|
585 | maybe_start_thread (); |
|
|
586 | } |
|
|
587 | |
|
|
588 | static void end_thread (void) |
|
|
589 | { |
|
|
590 | aio_req req; |
|
|
591 | |
|
|
592 | Newz (0, req, 1, aio_cb); |
|
|
593 | |
|
|
594 | req->type = REQ_QUIT; |
|
|
595 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
596 | |
|
|
597 | LOCK (reqlock); |
|
|
598 | reqq_push (&req_queue, req); |
|
|
599 | pthread_cond_signal (&reqwait); |
|
|
600 | UNLOCK (reqlock); |
|
|
601 | |
|
|
602 | LOCK (wrklock); |
|
|
603 | --started; |
|
|
604 | UNLOCK (wrklock); |
|
|
605 | } |
|
|
606 | |
|
|
607 | static void min_parallel (int nthreads) |
|
|
608 | { |
|
|
609 | if (wanted < nthreads) |
|
|
610 | wanted = nthreads; |
|
|
611 | } |
|
|
612 | |
|
|
613 | static void max_parallel (int nthreads) |
|
|
614 | { |
|
|
615 | if (wanted > nthreads) |
|
|
616 | wanted = nthreads; |
|
|
617 | |
|
|
618 | while (started > wanted) |
|
|
619 | end_thread (); |
|
|
620 | } |
|
|
621 | |
|
|
622 | static void poll_wait () |
|
|
623 | { |
|
|
624 | fd_set rfd; |
|
|
625 | |
|
|
626 | while (nreqs) |
704 | while (eio_nreqs ()) |
627 | { |
705 | { |
628 | int size; |
706 | int size; |
629 | if (WORDREAD_UNSAFE) LOCK (reslock); |
707 | |
|
|
708 | X_LOCK (reslock); |
630 | size = res_queue.size; |
709 | size = res_queue.size; |
631 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
710 | X_UNLOCK (reslock); |
632 | |
711 | |
633 | if (size) |
712 | if (size) |
634 | return; |
713 | return; |
635 | |
714 | |
636 | maybe_start_thread (); |
715 | etp_maybe_start_thread (); |
637 | |
716 | |
638 | FD_ZERO(&rfd); |
717 | s_epipe_wait (&respipe); |
639 | FD_SET(respipe [0], &rfd); |
|
|
640 | |
|
|
641 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
642 | } |
718 | } |
643 | } |
719 | } |
644 | |
720 | |
645 | static int poll_cb (int max) |
721 | static int |
|
|
722 | poll_cb (void) |
646 | { |
723 | { |
647 | dSP; |
|
|
648 | int count = 0; |
|
|
649 | int do_croak = 0; |
|
|
650 | aio_req req; |
|
|
651 | |
|
|
652 | for (;;) |
724 | for (;;) |
653 | { |
725 | { |
654 | while (max <= 0 || count < max) |
726 | int res = eio_poll (); |
|
|
727 | |
|
|
728 | if (res > 0) |
|
|
729 | croak (0); |
|
|
730 | |
|
|
731 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
732 | return res; |
|
|
733 | |
|
|
734 | poll_wait (); |
|
|
735 | } |
|
|
736 | } |
|
|
737 | |
|
|
738 | static void ecb_cold |
|
|
739 | reinit (void) |
|
|
740 | { |
|
|
741 | create_respipe (); |
|
|
742 | |
|
|
743 | if (eio_init (want_poll, done_poll) < 0) |
|
|
744 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
745 | } |
|
|
746 | |
|
|
747 | /*****************************************************************************/ |
|
|
748 | |
|
|
749 | #if !_POSIX_MAPPED_FILES |
|
|
750 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
751 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
752 | #endif |
|
|
753 | |
|
|
754 | #if !_POSIX_MEMORY_PROTECTION |
|
|
755 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
756 | # define PROT_NONE 0 |
|
|
757 | # define PROT_WRITE 0 |
|
|
758 | # define MAP_PRIVATE 0 |
|
|
759 | # define MAP_SHARED 0 |
|
|
760 | # define MAP_FIXED 0 |
|
|
761 | #endif |
|
|
762 | |
|
|
763 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
764 | |
|
|
765 | static int ecb_cold |
|
|
766 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
767 | { |
|
|
768 | int old_errno = errno; |
|
|
769 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
770 | errno = old_errno; |
|
|
771 | |
|
|
772 | mg->mg_obj = 0; /* just in case */ |
|
|
773 | |
|
|
774 | SvREADONLY_off (sv); |
|
|
775 | |
|
|
776 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
777 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
778 | |
|
|
779 | SvCUR_set (sv, 0); |
|
|
780 | SvPVX (sv) = 0; |
|
|
781 | SvOK_off (sv); |
|
|
782 | |
|
|
783 | return 0; |
|
|
784 | } |
|
|
785 | |
|
|
786 | static MGVTBL mmap_vtbl = { |
|
|
787 | 0, 0, 0, 0, mmap_free |
|
|
788 | }; |
|
|
789 | |
|
|
790 | /*****************************************************************************/ |
|
|
791 | |
|
|
792 | static SV * |
|
|
793 | get_cb (SV *cb_sv) |
|
|
794 | { |
|
|
795 | SvGETMAGIC (cb_sv); |
|
|
796 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
797 | } |
|
|
798 | |
|
|
799 | static aio_req ecb_noinline |
|
|
800 | dreq (SV *callback) |
|
|
801 | { |
|
|
802 | SV *cb_cv; |
|
|
803 | aio_req req; |
|
|
804 | int req_pri = next_pri; |
|
|
805 | next_pri = EIO_PRI_DEFAULT; |
|
|
806 | |
|
|
807 | cb_cv = get_cb (callback); |
|
|
808 | |
|
|
809 | req = calloc (sizeof (*req), 1); |
|
|
810 | if (!req) |
|
|
811 | croak ("out of memory during eio_req allocation"); |
|
|
812 | |
|
|
813 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
814 | req->pri = req_pri; |
|
|
815 | |
|
|
816 | return req; |
|
|
817 | } |
|
|
818 | |
|
|
819 | #define dREQ \ |
|
|
820 | aio_req req = dreq (callback); \ |
|
|
821 | |
|
|
822 | #define REQ_SEND \ |
|
|
823 | PUTBACK; \ |
|
|
824 | req_submit (req); \ |
|
|
825 | SPAGAIN; \ |
|
|
826 | \ |
|
|
827 | if (GIMME_V != G_VOID) \ |
|
|
828 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
829 | |
|
|
830 | ecb_inline void |
|
|
831 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
832 | { |
|
|
833 | if (expect_false (SvROK (path))) |
|
|
834 | { |
|
|
835 | SV *rv = SvRV (path); |
|
|
836 | SV *wdob; |
|
|
837 | |
|
|
838 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
655 | { |
839 | { |
656 | maybe_start_thread (); |
840 | path = AvARRAY (rv)[1]; |
|
|
841 | wdob = AvARRAY (rv)[0]; |
657 | |
842 | |
658 | LOCK (reslock); |
843 | if (SvOK (wdob)) |
659 | req = reqq_shift (&res_queue); |
|
|
660 | |
|
|
661 | if (req) |
|
|
662 | { |
844 | { |
663 | --npending; |
845 | *wd = SvAIO_WD (wdob); |
664 | |
846 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
665 | if (!res_queue.size) |
|
|
666 | { |
|
|
667 | /* read any signals sent by the worker threads */ |
|
|
668 | char buf [32]; |
|
|
669 | while (read (respipe [0], buf, 32) == 32) |
|
|
670 | ; |
|
|
671 | } |
|
|
672 | } |
|
|
673 | |
|
|
674 | UNLOCK (reslock); |
|
|
675 | |
|
|
676 | if (!req) |
|
|
677 | break; |
|
|
678 | |
|
|
679 | --nreqs; |
|
|
680 | |
|
|
681 | if (req->type == REQ_GROUP && req->length) |
|
|
682 | { |
|
|
683 | req->fd = 1; /* mark request as delayed */ |
|
|
684 | continue; |
|
|
685 | } |
847 | } |
686 | else |
848 | else |
687 | { |
849 | *wd = EIO_INVALID_WD; |
688 | if (req->type == REQ_READ) |
|
|
689 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
690 | |
|
|
691 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
692 | SvREADONLY_off (req->data); |
|
|
693 | |
|
|
694 | if (req->statdata) |
|
|
695 | { |
|
|
696 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
697 | PL_laststatval = req->result; |
|
|
698 | PL_statcache = *(req->statdata); |
|
|
699 | } |
|
|
700 | |
|
|
701 | req_invoke (req); |
|
|
702 | |
|
|
703 | count++; |
|
|
704 | } |
|
|
705 | |
|
|
706 | req_free (req); |
|
|
707 | } |
850 | } |
|
|
851 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
852 | { |
|
|
853 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
854 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
855 | *ptr = "."; |
|
|
856 | return; /* path set to "." */ |
|
|
857 | } |
|
|
858 | else |
|
|
859 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
860 | } |
708 | |
861 | |
709 | if (nreqs <= max_outstanding) |
862 | *pathsv = newSVsv (path); |
|
|
863 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
864 | } |
|
|
865 | |
|
|
866 | static void ecb_noinline |
|
|
867 | req_set_path1 (aio_req req, SV *path) |
|
|
868 | { |
|
|
869 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
870 | } |
|
|
871 | |
|
|
872 | static void ecb_noinline |
|
|
873 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
874 | { |
|
|
875 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
876 | |
|
|
877 | switch (SvTYPE (rv)) |
|
|
878 | { |
|
|
879 | case SVt_PVIO: |
|
|
880 | case SVt_PVLV: |
|
|
881 | case SVt_PVGV: |
|
|
882 | req->type = type_fh; |
|
|
883 | req->sv1 = newSVsv (fh_or_path); |
|
|
884 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
710 | break; |
885 | break; |
711 | |
886 | |
712 | poll_wait (); |
887 | default: |
713 | |
888 | req->type = type_path; |
714 | max = 0; |
889 | req_set_path1 (req, fh_or_path); |
|
|
890 | break; |
715 | } |
891 | } |
716 | |
|
|
717 | return count; |
|
|
718 | } |
892 | } |
719 | |
893 | |
720 | static void create_pipe () |
894 | XS(boot_IO__AIO) ecb_cold; |
721 | { |
|
|
722 | if (pipe (respipe)) |
|
|
723 | croak ("unable to initialize result pipe"); |
|
|
724 | |
895 | |
725 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
726 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
727 | |
|
|
728 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
729 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
730 | } |
|
|
731 | |
|
|
732 | /*****************************************************************************/ |
|
|
733 | /* work around various missing functions */ |
|
|
734 | |
|
|
735 | #if !HAVE_PREADWRITE |
|
|
736 | # define pread aio_pread |
|
|
737 | # define pwrite aio_pwrite |
|
|
738 | |
|
|
739 | /* |
|
|
740 | * make our pread/pwrite safe against themselves, but not against |
|
|
741 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
742 | * but that's your problem, not mine. |
|
|
743 | */ |
|
|
744 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
745 | |
|
|
746 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
747 | { |
|
|
748 | ssize_t res; |
|
|
749 | off_t ooffset; |
|
|
750 | |
|
|
751 | LOCK (preadwritelock); |
|
|
752 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
753 | lseek (fd, offset, SEEK_SET); |
|
|
754 | res = read (fd, buf, count); |
|
|
755 | lseek (fd, ooffset, SEEK_SET); |
|
|
756 | UNLOCK (preadwritelock); |
|
|
757 | |
|
|
758 | return res; |
|
|
759 | } |
|
|
760 | |
|
|
761 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
762 | { |
|
|
763 | ssize_t res; |
|
|
764 | off_t ooffset; |
|
|
765 | |
|
|
766 | LOCK (preadwritelock); |
|
|
767 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
768 | lseek (fd, offset, SEEK_SET); |
|
|
769 | res = write (fd, buf, count); |
|
|
770 | lseek (fd, offset, SEEK_SET); |
|
|
771 | UNLOCK (preadwritelock); |
|
|
772 | |
|
|
773 | return res; |
|
|
774 | } |
|
|
775 | #endif |
|
|
776 | |
|
|
777 | #if !HAVE_FDATASYNC |
|
|
778 | # define fdatasync fsync |
|
|
779 | #endif |
|
|
780 | |
|
|
781 | #if !HAVE_READAHEAD |
|
|
782 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
783 | |
|
|
784 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
785 | { |
|
|
786 | dBUF; |
|
|
787 | |
|
|
788 | while (count > 0) |
|
|
789 | { |
|
|
790 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
791 | |
|
|
792 | pread (fd, aio_buf, len, offset); |
|
|
793 | offset += len; |
|
|
794 | count -= len; |
|
|
795 | } |
|
|
796 | |
|
|
797 | errno = 0; |
|
|
798 | } |
|
|
799 | |
|
|
800 | #endif |
|
|
801 | |
|
|
802 | #if !HAVE_READDIR_R |
|
|
803 | # define readdir_r aio_readdir_r |
|
|
804 | |
|
|
805 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
806 | |
|
|
807 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
808 | { |
|
|
809 | struct dirent *e; |
|
|
810 | int errorno; |
|
|
811 | |
|
|
812 | LOCK (readdirlock); |
|
|
813 | |
|
|
814 | e = readdir (dirp); |
|
|
815 | errorno = errno; |
|
|
816 | |
|
|
817 | if (e) |
|
|
818 | { |
|
|
819 | *res = ent; |
|
|
820 | strcpy (ent->d_name, e->d_name); |
|
|
821 | } |
|
|
822 | else |
|
|
823 | *res = 0; |
|
|
824 | |
|
|
825 | UNLOCK (readdirlock); |
|
|
826 | |
|
|
827 | errno = errorno; |
|
|
828 | return e ? 0 : -1; |
|
|
829 | } |
|
|
830 | #endif |
|
|
831 | |
|
|
832 | /* sendfile always needs emulation */ |
|
|
833 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
834 | { |
|
|
835 | ssize_t res; |
|
|
836 | |
|
|
837 | if (!count) |
|
|
838 | return 0; |
|
|
839 | |
|
|
840 | #if HAVE_SENDFILE |
|
|
841 | # if __linux |
|
|
842 | res = sendfile (ofd, ifd, &offset, count); |
|
|
843 | |
|
|
844 | # elif __freebsd |
|
|
845 | /* |
|
|
846 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
847 | * wasted on making it similar to other I/O functions. |
|
|
848 | */ |
|
|
849 | { |
|
|
850 | off_t sbytes; |
|
|
851 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
852 | |
|
|
853 | if (res < 0 && sbytes) |
|
|
854 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
855 | res = sbytes; |
|
|
856 | } |
|
|
857 | |
|
|
858 | # elif __hpux |
|
|
859 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
860 | |
|
|
861 | # elif __solaris |
|
|
862 | { |
|
|
863 | struct sendfilevec vec; |
|
|
864 | size_t sbytes; |
|
|
865 | |
|
|
866 | vec.sfv_fd = ifd; |
|
|
867 | vec.sfv_flag = 0; |
|
|
868 | vec.sfv_off = offset; |
|
|
869 | vec.sfv_len = count; |
|
|
870 | |
|
|
871 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
872 | |
|
|
873 | if (res < 0 && sbytes) |
|
|
874 | res = sbytes; |
|
|
875 | } |
|
|
876 | |
|
|
877 | # endif |
|
|
878 | #else |
|
|
879 | res = -1; |
|
|
880 | errno = ENOSYS; |
|
|
881 | #endif |
|
|
882 | |
|
|
883 | if (res < 0 |
|
|
884 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
885 | #if __solaris |
|
|
886 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
887 | #endif |
|
|
888 | ) |
|
|
889 | ) |
|
|
890 | { |
|
|
891 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
892 | dBUF; |
|
|
893 | |
|
|
894 | res = 0; |
|
|
895 | |
|
|
896 | while (count) |
|
|
897 | { |
|
|
898 | ssize_t cnt; |
|
|
899 | |
|
|
900 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
901 | |
|
|
902 | if (cnt <= 0) |
|
|
903 | { |
|
|
904 | if (cnt && !res) res = -1; |
|
|
905 | break; |
|
|
906 | } |
|
|
907 | |
|
|
908 | cnt = write (ofd, aio_buf, cnt); |
|
|
909 | |
|
|
910 | if (cnt <= 0) |
|
|
911 | { |
|
|
912 | if (cnt && !res) res = -1; |
|
|
913 | break; |
|
|
914 | } |
|
|
915 | |
|
|
916 | offset += cnt; |
|
|
917 | res += cnt; |
|
|
918 | count -= cnt; |
|
|
919 | } |
|
|
920 | } |
|
|
921 | |
|
|
922 | return res; |
|
|
923 | } |
|
|
924 | |
|
|
925 | /* read a full directory */ |
|
|
926 | static void scandir_ (aio_req req, worker *self) |
|
|
927 | { |
|
|
928 | DIR *dirp; |
|
|
929 | union |
|
|
930 | { |
|
|
931 | struct dirent d; |
|
|
932 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
933 | } *u; |
|
|
934 | struct dirent *entp; |
|
|
935 | char *name, *names; |
|
|
936 | int memlen = 4096; |
|
|
937 | int memofs = 0; |
|
|
938 | int res = 0; |
|
|
939 | int errorno; |
|
|
940 | |
|
|
941 | LOCK (wrklock); |
|
|
942 | self->dirp = dirp = opendir (req->dataptr); |
|
|
943 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
944 | req->data2ptr = names = malloc (memlen); |
|
|
945 | UNLOCK (wrklock); |
|
|
946 | |
|
|
947 | if (dirp && u && names) |
|
|
948 | for (;;) |
|
|
949 | { |
|
|
950 | errno = 0; |
|
|
951 | readdir_r (dirp, &u->d, &entp); |
|
|
952 | |
|
|
953 | if (!entp) |
|
|
954 | break; |
|
|
955 | |
|
|
956 | name = entp->d_name; |
|
|
957 | |
|
|
958 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
959 | { |
|
|
960 | int len = strlen (name) + 1; |
|
|
961 | |
|
|
962 | res++; |
|
|
963 | |
|
|
964 | while (memofs + len > memlen) |
|
|
965 | { |
|
|
966 | memlen *= 2; |
|
|
967 | LOCK (wrklock); |
|
|
968 | req->data2ptr = names = realloc (names, memlen); |
|
|
969 | UNLOCK (wrklock); |
|
|
970 | |
|
|
971 | if (!names) |
|
|
972 | break; |
|
|
973 | } |
|
|
974 | |
|
|
975 | memcpy (names + memofs, name, len); |
|
|
976 | memofs += len; |
|
|
977 | } |
|
|
978 | } |
|
|
979 | |
|
|
980 | if (errno) |
|
|
981 | res = -1; |
|
|
982 | |
|
|
983 | req->result = res; |
|
|
984 | } |
|
|
985 | |
|
|
986 | /*****************************************************************************/ |
|
|
987 | |
|
|
988 | static void *aio_proc (void *thr_arg) |
|
|
989 | { |
|
|
990 | aio_req req; |
|
|
991 | struct timespec ts; |
|
|
992 | worker *self = (worker *)thr_arg; |
|
|
993 | |
|
|
994 | /* try to distribute timeouts somewhat evenly */ |
|
|
995 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
996 | * (1000000000UL / 1024UL); |
|
|
997 | |
|
|
998 | for (;;) |
|
|
999 | { |
|
|
1000 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1001 | |
|
|
1002 | LOCK (reqlock); |
|
|
1003 | |
|
|
1004 | for (;;) |
|
|
1005 | { |
|
|
1006 | self->req = req = reqq_shift (&req_queue); |
|
|
1007 | |
|
|
1008 | if (req) |
|
|
1009 | break; |
|
|
1010 | |
|
|
1011 | ++idle; |
|
|
1012 | |
|
|
1013 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1014 | == ETIMEDOUT) |
|
|
1015 | { |
|
|
1016 | if (idle > max_idle) |
|
|
1017 | { |
|
|
1018 | --idle; |
|
|
1019 | UNLOCK (reqlock); |
|
|
1020 | LOCK (wrklock); |
|
|
1021 | --started; |
|
|
1022 | UNLOCK (wrklock); |
|
|
1023 | goto quit; |
|
|
1024 | } |
|
|
1025 | |
|
|
1026 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1027 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1028 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1029 | } |
|
|
1030 | |
|
|
1031 | --idle; |
|
|
1032 | } |
|
|
1033 | |
|
|
1034 | --nready; |
|
|
1035 | |
|
|
1036 | UNLOCK (reqlock); |
|
|
1037 | |
|
|
1038 | errno = 0; /* strictly unnecessary */ |
|
|
1039 | |
|
|
1040 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1041 | switch (req->type) |
|
|
1042 | { |
|
|
1043 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1044 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1045 | |
|
|
1046 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
1047 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
1048 | |
|
|
1049 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
1050 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
1051 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
1052 | |
|
|
1053 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
1054 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
1055 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
1056 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
1057 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
1058 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
1059 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
1060 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
|
|
1061 | |
|
|
1062 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
1063 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
1064 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1065 | |
|
|
1066 | case REQ_BUSY: |
|
|
1067 | { |
|
|
1068 | struct timeval tv; |
|
|
1069 | |
|
|
1070 | tv.tv_sec = req->fd; |
|
|
1071 | tv.tv_usec = req->fd2; |
|
|
1072 | |
|
|
1073 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1074 | } |
|
|
1075 | |
|
|
1076 | case REQ_GROUP: |
|
|
1077 | case REQ_NOP: |
|
|
1078 | break; |
|
|
1079 | |
|
|
1080 | case REQ_QUIT: |
|
|
1081 | goto quit; |
|
|
1082 | |
|
|
1083 | default: |
|
|
1084 | req->result = ENOSYS; |
|
|
1085 | break; |
|
|
1086 | } |
|
|
1087 | |
|
|
1088 | req->errorno = errno; |
|
|
1089 | |
|
|
1090 | LOCK (reslock); |
|
|
1091 | |
|
|
1092 | ++npending; |
|
|
1093 | |
|
|
1094 | if (!reqq_push (&res_queue, req)) |
|
|
1095 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1096 | write (respipe [1], &respipe, 1); |
|
|
1097 | |
|
|
1098 | self->req = 0; |
|
|
1099 | worker_clear (self); |
|
|
1100 | |
|
|
1101 | UNLOCK (reslock); |
|
|
1102 | } |
|
|
1103 | |
|
|
1104 | quit: |
|
|
1105 | LOCK (wrklock); |
|
|
1106 | worker_free (self); |
|
|
1107 | UNLOCK (wrklock); |
|
|
1108 | |
|
|
1109 | return 0; |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | /*****************************************************************************/ |
|
|
1113 | |
|
|
1114 | static void atfork_prepare (void) |
|
|
1115 | { |
|
|
1116 | LOCK (wrklock); |
|
|
1117 | LOCK (reqlock); |
|
|
1118 | LOCK (reslock); |
|
|
1119 | #if !HAVE_PREADWRITE |
|
|
1120 | LOCK (preadwritelock); |
|
|
1121 | #endif |
|
|
1122 | #if !HAVE_READDIR_R |
|
|
1123 | LOCK (readdirlock); |
|
|
1124 | #endif |
|
|
1125 | } |
|
|
1126 | |
|
|
1127 | static void atfork_parent (void) |
|
|
1128 | { |
|
|
1129 | #if !HAVE_READDIR_R |
|
|
1130 | UNLOCK (readdirlock); |
|
|
1131 | #endif |
|
|
1132 | #if !HAVE_PREADWRITE |
|
|
1133 | UNLOCK (preadwritelock); |
|
|
1134 | #endif |
|
|
1135 | UNLOCK (reslock); |
|
|
1136 | UNLOCK (reqlock); |
|
|
1137 | UNLOCK (wrklock); |
|
|
1138 | } |
|
|
1139 | |
|
|
1140 | static void atfork_child (void) |
|
|
1141 | { |
|
|
1142 | aio_req prv; |
|
|
1143 | |
|
|
1144 | while (prv = reqq_shift (&req_queue)) |
|
|
1145 | req_free (prv); |
|
|
1146 | |
|
|
1147 | while (prv = reqq_shift (&res_queue)) |
|
|
1148 | req_free (prv); |
|
|
1149 | |
|
|
1150 | while (wrk_first.next != &wrk_first) |
|
|
1151 | { |
|
|
1152 | worker *wrk = wrk_first.next; |
|
|
1153 | |
|
|
1154 | if (wrk->req) |
|
|
1155 | req_free (wrk->req); |
|
|
1156 | |
|
|
1157 | worker_clear (wrk); |
|
|
1158 | worker_free (wrk); |
|
|
1159 | } |
|
|
1160 | |
|
|
1161 | started = 0; |
|
|
1162 | idle = 0; |
|
|
1163 | nreqs = 0; |
|
|
1164 | nready = 0; |
|
|
1165 | npending = 0; |
|
|
1166 | |
|
|
1167 | close (respipe [0]); |
|
|
1168 | close (respipe [1]); |
|
|
1169 | create_pipe (); |
|
|
1170 | |
|
|
1171 | atfork_parent (); |
|
|
1172 | } |
|
|
1173 | |
|
|
1174 | #define dREQ \ |
|
|
1175 | aio_req req; \ |
|
|
1176 | int req_pri = next_pri; \ |
|
|
1177 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1178 | \ |
|
|
1179 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1180 | croak ("callback must be undef or of reference type"); \ |
|
|
1181 | \ |
|
|
1182 | Newz (0, req, 1, aio_cb); \ |
|
|
1183 | if (!req) \ |
|
|
1184 | croak ("out of memory during aio_req allocation"); \ |
|
|
1185 | \ |
|
|
1186 | req->callback = newSVsv (callback); \ |
|
|
1187 | req->pri = req_pri |
|
|
1188 | |
|
|
1189 | #define REQ_SEND \ |
|
|
1190 | req_send (req); \ |
|
|
1191 | \ |
|
|
1192 | if (GIMME_V != G_VOID) \ |
|
|
1193 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1194 | |
|
|
1195 | MODULE = IO::AIO PACKAGE = IO::AIO |
896 | MODULE = IO::AIO PACKAGE = IO::AIO |
1196 | |
897 | |
1197 | PROTOTYPES: ENABLE |
898 | PROTOTYPES: ENABLE |
1198 | |
899 | |
1199 | BOOT: |
900 | BOOT: |
1200 | { |
901 | { |
|
|
902 | static const struct { |
|
|
903 | const char *name; |
|
|
904 | IV iv; |
|
|
905 | } *civ, const_iv[] = { |
|
|
906 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
907 | # define const_iv(name) { # name, (IV) name }, |
|
|
908 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
909 | |
|
|
910 | /* you have to re-run ./gendef0 after adding/Removing any constants here */ |
|
|
911 | |
|
|
912 | const_iv (ENOSYS) |
|
|
913 | const_iv (EXDEV) |
|
|
914 | const_iv (EBADR) |
|
|
915 | |
|
|
916 | const_iv (O_RDONLY) |
|
|
917 | const_iv (O_WRONLY) |
|
|
918 | const_iv (O_RDWR) |
|
|
919 | const_iv (O_CREAT) |
|
|
920 | const_iv (O_TRUNC) |
|
|
921 | const_iv (O_EXCL) |
|
|
922 | const_iv (O_APPEND) |
|
|
923 | |
|
|
924 | const_iv (O_ASYNC) |
|
|
925 | const_iv (O_DIRECT) |
|
|
926 | const_iv (O_NOATIME) |
|
|
927 | |
|
|
928 | const_iv (O_CLOEXEC) |
|
|
929 | const_iv (O_NOCTTY) |
|
|
930 | const_iv (O_NOFOLLOW) |
|
|
931 | const_iv (O_NONBLOCK) |
|
|
932 | const_iv (O_EXEC) |
|
|
933 | const_iv (O_SEARCH) |
|
|
934 | const_iv (O_DIRECTORY) |
|
|
935 | const_iv (O_DSYNC) |
|
|
936 | const_iv (O_RSYNC) |
|
|
937 | const_iv (O_SYNC) |
|
|
938 | const_iv (O_PATH) |
|
|
939 | const_iv (O_TMPFILE) |
|
|
940 | const_iv (O_TTY_INIT) |
|
|
941 | |
|
|
942 | const_iv (S_IFIFO) |
|
|
943 | const_iv (S_IFCHR) |
|
|
944 | const_iv (S_IFBLK) |
|
|
945 | const_iv (S_IFLNK) |
|
|
946 | const_iv (S_IFREG) |
|
|
947 | const_iv (S_IFDIR) |
|
|
948 | const_iv (S_IFWHT) |
|
|
949 | const_iv (S_IFSOCK) |
|
|
950 | const_iv (S_IFMT) |
|
|
951 | |
|
|
952 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
953 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
954 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
955 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
956 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
957 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
958 | |
|
|
959 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
960 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
961 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
962 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
963 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
964 | |
|
|
965 | const_iv (ST_RDONLY) |
|
|
966 | const_iv (ST_NOSUID) |
|
|
967 | const_iv (ST_NODEV) |
|
|
968 | const_iv (ST_NOEXEC) |
|
|
969 | const_iv (ST_SYNCHRONOUS) |
|
|
970 | const_iv (ST_MANDLOCK) |
|
|
971 | const_iv (ST_WRITE) |
|
|
972 | const_iv (ST_APPEND) |
|
|
973 | const_iv (ST_IMMUTABLE) |
|
|
974 | const_iv (ST_NOATIME) |
|
|
975 | const_iv (ST_NODIRATIME) |
|
|
976 | const_iv (ST_RELATIME) |
|
|
977 | |
|
|
978 | const_iv (PROT_NONE) |
|
|
979 | const_iv (PROT_EXEC) |
|
|
980 | const_iv (PROT_READ) |
|
|
981 | const_iv (PROT_WRITE) |
|
|
982 | |
|
|
983 | /*const_iv (MAP_FIXED)*/ |
|
|
984 | const_iv (MAP_PRIVATE) |
|
|
985 | const_iv (MAP_SHARED) |
|
|
986 | const_iv (MAP_ANONYMOUS) |
|
|
987 | |
|
|
988 | /* linuxish */ |
|
|
989 | const_iv (MAP_HUGETLB) |
|
|
990 | const_iv (MAP_LOCKED) |
|
|
991 | const_iv (MAP_NORESERVE) |
|
|
992 | const_iv (MAP_POPULATE) |
|
|
993 | const_iv (MAP_NONBLOCK) |
|
|
994 | |
|
|
995 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
996 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
997 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
998 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
999 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1000 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1001 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1002 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1003 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1004 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1005 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1006 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1007 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1008 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
1009 | |
|
|
1010 | const_iv (SPLICE_F_MOVE) |
|
|
1011 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1012 | const_iv (SPLICE_F_MORE) |
|
|
1013 | const_iv (SPLICE_F_GIFT) |
|
|
1014 | |
|
|
1015 | const_iv (SEEK_DATA) |
|
|
1016 | const_iv (SEEK_HOLE) |
|
|
1017 | |
|
|
1018 | /* libeio constants */ |
|
|
1019 | const_eio (SEEK_SET) |
|
|
1020 | const_eio (SEEK_CUR) |
|
|
1021 | const_eio (SEEK_END) |
|
|
1022 | |
|
|
1023 | const_eio (MCL_FUTURE) |
|
|
1024 | const_eio (MCL_CURRENT) |
|
|
1025 | |
|
|
1026 | const_eio (MS_ASYNC) |
|
|
1027 | const_eio (MS_INVALIDATE) |
|
|
1028 | const_eio (MS_SYNC) |
|
|
1029 | |
|
|
1030 | const_eio (MT_MODIFY) |
|
|
1031 | |
|
|
1032 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1033 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1034 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1035 | |
|
|
1036 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1037 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1038 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1039 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1040 | |
|
|
1041 | const_eio (READDIR_DENTS) |
|
|
1042 | const_eio (READDIR_DIRS_FIRST) |
|
|
1043 | const_eio (READDIR_STAT_ORDER) |
|
|
1044 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1045 | |
|
|
1046 | const_eio (DT_UNKNOWN) |
|
|
1047 | const_eio (DT_FIFO) |
|
|
1048 | const_eio (DT_CHR) |
|
|
1049 | const_eio (DT_DIR) |
|
|
1050 | const_eio (DT_BLK) |
|
|
1051 | const_eio (DT_REG) |
|
|
1052 | const_eio (DT_LNK) |
|
|
1053 | const_eio (DT_SOCK) |
|
|
1054 | const_eio (DT_WHT) |
|
|
1055 | }; |
|
|
1056 | |
1201 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1057 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1058 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1059 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1060 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1202 | |
1061 | |
1203 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1062 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1204 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1063 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1205 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1206 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1207 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1208 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1209 | |
1064 | |
1210 | create_pipe (); |
1065 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1211 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1212 | } |
|
|
1213 | |
1066 | |
|
|
1067 | reinit (); |
|
|
1068 | } |
|
|
1069 | |
1214 | void |
1070 | void |
1215 | min_parallel (int nthreads) |
1071 | reinit () |
1216 | PROTOTYPE: $ |
1072 | PROTOTYPE: |
1217 | |
1073 | |
1218 | void |
1074 | void |
1219 | max_parallel (int nthreads) |
1075 | max_poll_reqs (unsigned int nreqs) |
1220 | PROTOTYPE: $ |
|
|
1221 | |
|
|
1222 | int |
|
|
1223 | max_outstanding (int maxreqs) |
|
|
1224 | PROTOTYPE: $ |
1076 | PROTOTYPE: $ |
1225 | CODE: |
1077 | CODE: |
1226 | RETVAL = max_outstanding; |
1078 | eio_set_max_poll_reqs (nreqs); |
|
|
1079 | |
|
|
1080 | void |
|
|
1081 | max_poll_time (double nseconds) |
|
|
1082 | PROTOTYPE: $ |
|
|
1083 | CODE: |
|
|
1084 | eio_set_max_poll_time (nseconds); |
|
|
1085 | |
|
|
1086 | void |
|
|
1087 | min_parallel (unsigned int nthreads) |
|
|
1088 | PROTOTYPE: $ |
|
|
1089 | CODE: |
|
|
1090 | eio_set_min_parallel (nthreads); |
|
|
1091 | |
|
|
1092 | void |
|
|
1093 | max_parallel (unsigned int nthreads) |
|
|
1094 | PROTOTYPE: $ |
|
|
1095 | CODE: |
|
|
1096 | eio_set_max_parallel (nthreads); |
|
|
1097 | |
|
|
1098 | void |
|
|
1099 | max_idle (unsigned int nthreads) |
|
|
1100 | PROTOTYPE: $ |
|
|
1101 | CODE: |
|
|
1102 | eio_set_max_idle (nthreads); |
|
|
1103 | |
|
|
1104 | void |
|
|
1105 | idle_timeout (unsigned int seconds) |
|
|
1106 | PROTOTYPE: $ |
|
|
1107 | CODE: |
|
|
1108 | eio_set_idle_timeout (seconds); |
|
|
1109 | |
|
|
1110 | void |
|
|
1111 | max_outstanding (unsigned int maxreqs) |
|
|
1112 | PROTOTYPE: $ |
|
|
1113 | CODE: |
1227 | max_outstanding = maxreqs; |
1114 | max_outstanding = maxreqs; |
1228 | OUTPUT: |
|
|
1229 | RETVAL |
|
|
1230 | |
1115 | |
1231 | void |
1116 | void |
1232 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1117 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
1233 | SV * pathname |
|
|
1234 | int flags |
|
|
1235 | int mode |
|
|
1236 | SV * callback |
|
|
1237 | PROTOTYPE: $$$;$ |
|
|
1238 | PPCODE: |
1118 | PPCODE: |
1239 | { |
1119 | { |
1240 | dREQ; |
1120 | dREQ; |
1241 | |
1121 | |
1242 | req->type = REQ_OPEN; |
1122 | req->type = EIO_WD_OPEN; |
1243 | req->data = newSVsv (pathname); |
1123 | req_set_path1 (req, pathname); |
1244 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1245 | req->fd = flags; |
|
|
1246 | req->mode = mode; |
|
|
1247 | |
1124 | |
1248 | REQ_SEND; |
1125 | REQ_SEND; |
1249 | } |
1126 | } |
1250 | |
1127 | |
1251 | void |
1128 | void |
|
|
1129 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1130 | PPCODE: |
|
|
1131 | { |
|
|
1132 | dREQ; |
|
|
1133 | |
|
|
1134 | req->type = EIO_OPEN; |
|
|
1135 | req_set_path1 (req, pathname); |
|
|
1136 | req->int1 = flags; |
|
|
1137 | req->int2 = mode; |
|
|
1138 | |
|
|
1139 | REQ_SEND; |
|
|
1140 | } |
|
|
1141 | |
|
|
1142 | void |
1252 | aio_close (fh,callback=&PL_sv_undef) |
1143 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
1253 | SV * fh |
|
|
1254 | SV * callback |
|
|
1255 | PROTOTYPE: $;$ |
|
|
1256 | ALIAS: |
1144 | ALIAS: |
1257 | aio_close = REQ_CLOSE |
|
|
1258 | aio_fsync = REQ_FSYNC |
1145 | aio_fsync = EIO_FSYNC |
1259 | aio_fdatasync = REQ_FDATASYNC |
1146 | aio_fdatasync = EIO_FDATASYNC |
|
|
1147 | aio_syncfs = EIO_SYNCFS |
1260 | PPCODE: |
1148 | PPCODE: |
1261 | { |
1149 | { |
|
|
1150 | int fd = s_fileno_croak (fh, 0); |
1262 | dREQ; |
1151 | dREQ; |
1263 | |
1152 | |
1264 | req->type = ix; |
1153 | req->type = ix; |
1265 | req->fh = newSVsv (fh); |
1154 | req->sv1 = newSVsv (fh); |
1266 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1155 | req->int1 = fd; |
1267 | |
1156 | |
1268 | REQ_SEND (req); |
1157 | REQ_SEND; |
1269 | } |
1158 | } |
1270 | |
1159 | |
1271 | void |
1160 | void |
|
|
1161 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1162 | PPCODE: |
|
|
1163 | { |
|
|
1164 | int fd = s_fileno_croak (fh, 0); |
|
|
1165 | dREQ; |
|
|
1166 | |
|
|
1167 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1168 | req->sv1 = newSVsv (fh); |
|
|
1169 | req->int1 = fd; |
|
|
1170 | req->offs = offset; |
|
|
1171 | req->size = nbytes; |
|
|
1172 | req->int2 = flags; |
|
|
1173 | |
|
|
1174 | REQ_SEND; |
|
|
1175 | } |
|
|
1176 | |
|
|
1177 | void |
|
|
1178 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1179 | PPCODE: |
|
|
1180 | { |
|
|
1181 | int fd = s_fileno_croak (fh, 0); |
|
|
1182 | dREQ; |
|
|
1183 | |
|
|
1184 | req->type = EIO_FALLOCATE; |
|
|
1185 | req->sv1 = newSVsv (fh); |
|
|
1186 | req->int1 = fd; |
|
|
1187 | req->int2 = mode; |
|
|
1188 | req->offs = offset; |
|
|
1189 | req->size = len; |
|
|
1190 | |
|
|
1191 | REQ_SEND; |
|
|
1192 | } |
|
|
1193 | |
|
|
1194 | void |
|
|
1195 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1196 | PPCODE: |
|
|
1197 | { |
|
|
1198 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1199 | int fd = s_fileno_croak (fh, 0); |
|
|
1200 | dREQ; |
|
|
1201 | |
|
|
1202 | if (expect_false (close_fd < 0)) |
|
|
1203 | { |
|
|
1204 | int pipefd [2]; |
|
|
1205 | |
|
|
1206 | if ( |
|
|
1207 | #ifdef _WIN32 |
|
|
1208 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1209 | #else |
|
|
1210 | pipe (pipefd) < 0 |
|
|
1211 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1212 | #endif |
|
|
1213 | || close (pipefd [1]) < 0 |
|
|
1214 | ) |
|
|
1215 | abort (); /*D*/ |
|
|
1216 | |
|
|
1217 | close_fd = pipefd [0]; |
|
|
1218 | } |
|
|
1219 | |
|
|
1220 | req->type = EIO_DUP2; |
|
|
1221 | req->int1 = close_fd; |
|
|
1222 | req->sv2 = newSVsv (fh); |
|
|
1223 | req->int2 = fd; |
|
|
1224 | |
|
|
1225 | REQ_SEND; |
|
|
1226 | } |
|
|
1227 | |
|
|
1228 | void |
|
|
1229 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
|
|
1230 | PPCODE: |
|
|
1231 | { |
|
|
1232 | int fd = s_fileno_croak (fh, 0); |
|
|
1233 | dREQ; |
|
|
1234 | |
|
|
1235 | req->type = EIO_SEEK; |
|
|
1236 | req->sv1 = newSVsv (fh); |
|
|
1237 | req->int1 = fd; |
|
|
1238 | req->offs = SvVAL64 (offset); |
|
|
1239 | req->int2 = whence; |
|
|
1240 | |
|
|
1241 | REQ_SEND; |
|
|
1242 | } |
|
|
1243 | |
|
|
1244 | void |
1272 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1245 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
1273 | SV * fh |
|
|
1274 | UV offset |
|
|
1275 | UV length |
|
|
1276 | SV * data |
|
|
1277 | UV dataoffset |
|
|
1278 | SV * callback |
|
|
1279 | ALIAS: |
1246 | ALIAS: |
1280 | aio_read = REQ_READ |
1247 | aio_read = EIO_READ |
1281 | aio_write = REQ_WRITE |
1248 | aio_write = EIO_WRITE |
1282 | PROTOTYPE: $$$$$;$ |
|
|
1283 | PPCODE: |
1249 | PPCODE: |
1284 | { |
1250 | { |
1285 | aio_req req; |
|
|
1286 | STRLEN svlen; |
1251 | STRLEN svlen; |
|
|
1252 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1287 | char *svptr = SvPVbyte (data, svlen); |
1253 | char *svptr = SvPVbyte (data, svlen); |
1288 | |
1254 | UV len = SvUV (length); |
1289 | SvUPGRADE (data, SVt_PV); |
|
|
1290 | SvPOK_on (data); |
|
|
1291 | |
1255 | |
1292 | if (dataoffset < 0) |
1256 | if (dataoffset < 0) |
1293 | dataoffset += svlen; |
1257 | dataoffset += svlen; |
1294 | |
1258 | |
1295 | if (dataoffset < 0 || dataoffset > svlen) |
1259 | if (dataoffset < 0 || dataoffset > svlen) |
1296 | croak ("data offset outside of string"); |
1260 | croak ("dataoffset outside of data scalar"); |
1297 | |
1261 | |
1298 | if (ix == REQ_WRITE) |
1262 | if (ix == EIO_WRITE) |
1299 | { |
1263 | { |
1300 | /* write: check length and adjust. */ |
1264 | /* write: check length and adjust. */ |
1301 | if (length < 0 || length + dataoffset > svlen) |
1265 | if (!SvOK (length) || len + dataoffset > svlen) |
1302 | length = svlen - dataoffset; |
1266 | len = svlen - dataoffset; |
1303 | } |
1267 | } |
1304 | else |
1268 | else |
1305 | { |
1269 | { |
1306 | /* read: grow scalar as necessary */ |
1270 | /* read: check type and grow scalar as necessary */ |
|
|
1271 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1307 | svptr = SvGROW (data, length + dataoffset); |
1272 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1273 | else if (SvCUR (data) < len + dataoffset) |
|
|
1274 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1308 | } |
1275 | } |
1309 | |
|
|
1310 | if (length < 0) |
|
|
1311 | croak ("length must not be negative"); |
|
|
1312 | |
1276 | |
1313 | { |
1277 | { |
1314 | dREQ; |
1278 | dREQ; |
1315 | |
1279 | |
1316 | req->type = ix; |
1280 | req->type = ix; |
1317 | req->fh = newSVsv (fh); |
1281 | req->sv1 = newSVsv (fh); |
1318 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1282 | req->int1 = fd; |
1319 | : IoOFP (sv_2io (fh))); |
1283 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1320 | req->offset = offset; |
1284 | req->size = len; |
1321 | req->length = length; |
|
|
1322 | req->data = SvREFCNT_inc (data); |
1285 | req->sv2 = SvREFCNT_inc (data); |
1323 | req->dataptr = (char *)svptr + dataoffset; |
1286 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1287 | req->stroffset = dataoffset; |
1324 | |
1288 | |
1325 | if (!SvREADONLY (data)) |
1289 | if (!SvREADONLY (data)) |
1326 | { |
1290 | { |
1327 | SvREADONLY_on (data); |
1291 | SvREADONLY_on (data); |
1328 | req->data2ptr = (void *)data; |
1292 | req->flags |= FLAG_SV2_RO_OFF; |
1329 | } |
1293 | } |
1330 | |
1294 | |
1331 | REQ_SEND; |
1295 | REQ_SEND; |
1332 | } |
1296 | } |
1333 | } |
1297 | } |
1334 | |
1298 | |
1335 | void |
1299 | void |
1336 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1300 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
1337 | SV * out_fh |
1301 | ALIAS: |
1338 | SV * in_fh |
1302 | aio_readlink = EIO_READLINK |
1339 | UV in_offset |
1303 | aio_realpath = EIO_REALPATH |
1340 | UV length |
|
|
1341 | SV * callback |
|
|
1342 | PROTOTYPE: $$$$;$ |
|
|
1343 | PPCODE: |
1304 | PPCODE: |
1344 | { |
1305 | { |
|
|
1306 | dREQ; |
|
|
1307 | |
|
|
1308 | req->type = ix; |
|
|
1309 | req_set_path1 (req, pathname); |
|
|
1310 | |
|
|
1311 | REQ_SEND; |
|
|
1312 | } |
|
|
1313 | |
|
|
1314 | void |
|
|
1315 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1316 | PPCODE: |
|
|
1317 | { |
|
|
1318 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1319 | int ofd = s_fileno_croak (out_fh, 1); |
1345 | dREQ; |
1320 | dREQ; |
1346 | |
1321 | |
1347 | req->type = REQ_SENDFILE; |
1322 | req->type = EIO_SENDFILE; |
1348 | req->fh = newSVsv (out_fh); |
1323 | req->sv1 = newSVsv (out_fh); |
1349 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1324 | req->int1 = ofd; |
1350 | req->fh2 = newSVsv (in_fh); |
1325 | req->sv2 = newSVsv (in_fh); |
1351 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1326 | req->int2 = ifd; |
1352 | req->offset = in_offset; |
1327 | req->offs = in_offset; |
1353 | req->length = length; |
1328 | req->size = length; |
1354 | |
1329 | |
1355 | REQ_SEND; |
1330 | REQ_SEND; |
1356 | } |
1331 | } |
1357 | |
1332 | |
1358 | void |
1333 | void |
1359 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1334 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
1360 | SV * fh |
|
|
1361 | UV offset |
|
|
1362 | IV length |
|
|
1363 | SV * callback |
|
|
1364 | PROTOTYPE: $$$;$ |
|
|
1365 | PPCODE: |
1335 | PPCODE: |
1366 | { |
1336 | { |
|
|
1337 | int fd = s_fileno_croak (fh, 0); |
1367 | dREQ; |
1338 | dREQ; |
1368 | |
1339 | |
1369 | req->type = REQ_READAHEAD; |
1340 | req->type = EIO_READAHEAD; |
1370 | req->fh = newSVsv (fh); |
1341 | req->sv1 = newSVsv (fh); |
1371 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1342 | req->int1 = fd; |
1372 | req->offset = offset; |
1343 | req->offs = offset; |
1373 | req->length = length; |
1344 | req->size = length; |
1374 | |
1345 | |
1375 | REQ_SEND; |
1346 | REQ_SEND; |
1376 | } |
1347 | } |
1377 | |
1348 | |
1378 | void |
1349 | void |
1379 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1350 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1380 | SV * fh_or_path |
|
|
1381 | SV * callback |
|
|
1382 | ALIAS: |
1351 | ALIAS: |
1383 | aio_stat = REQ_STAT |
1352 | aio_stat = EIO_STAT |
1384 | aio_lstat = REQ_LSTAT |
1353 | aio_lstat = EIO_LSTAT |
|
|
1354 | aio_statvfs = EIO_STATVFS |
1385 | PPCODE: |
1355 | PPCODE: |
1386 | { |
1356 | { |
1387 | dREQ; |
1357 | dREQ; |
1388 | |
1358 | |
1389 | New (0, req->statdata, 1, Stat_t); |
1359 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1390 | if (!req->statdata) |
|
|
1391 | { |
|
|
1392 | req_free (req); |
|
|
1393 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1394 | } |
|
|
1395 | |
|
|
1396 | if (SvPOK (fh_or_path)) |
|
|
1397 | { |
|
|
1398 | req->type = ix; |
|
|
1399 | req->data = newSVsv (fh_or_path); |
|
|
1400 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1401 | } |
|
|
1402 | else |
|
|
1403 | { |
|
|
1404 | req->type = REQ_FSTAT; |
|
|
1405 | req->fh = newSVsv (fh_or_path); |
|
|
1406 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1407 | } |
|
|
1408 | |
1360 | |
1409 | REQ_SEND; |
1361 | REQ_SEND; |
1410 | } |
1362 | } |
1411 | |
1363 | |
|
|
1364 | UV |
|
|
1365 | major (UV dev) |
|
|
1366 | ALIAS: |
|
|
1367 | minor = 1 |
|
|
1368 | CODE: |
|
|
1369 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1370 | OUTPUT: |
|
|
1371 | RETVAL |
|
|
1372 | |
|
|
1373 | UV |
|
|
1374 | makedev (UV maj, UV min) |
|
|
1375 | CODE: |
|
|
1376 | RETVAL = makedev (maj, min); |
|
|
1377 | OUTPUT: |
|
|
1378 | RETVAL |
|
|
1379 | |
1412 | void |
1380 | void |
|
|
1381 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1382 | PPCODE: |
|
|
1383 | { |
|
|
1384 | dREQ; |
|
|
1385 | |
|
|
1386 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1387 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1388 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1389 | |
|
|
1390 | REQ_SEND; |
|
|
1391 | } |
|
|
1392 | |
|
|
1393 | void |
|
|
1394 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1395 | PPCODE: |
|
|
1396 | { |
|
|
1397 | dREQ; |
|
|
1398 | |
|
|
1399 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1400 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1401 | |
|
|
1402 | REQ_SEND; |
|
|
1403 | } |
|
|
1404 | |
|
|
1405 | void |
|
|
1406 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1407 | PPCODE: |
|
|
1408 | { |
|
|
1409 | dREQ; |
|
|
1410 | |
|
|
1411 | req->int2 = mode; |
|
|
1412 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1413 | |
|
|
1414 | REQ_SEND; |
|
|
1415 | } |
|
|
1416 | |
|
|
1417 | void |
|
|
1418 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1419 | PPCODE: |
|
|
1420 | { |
|
|
1421 | dREQ; |
|
|
1422 | |
|
|
1423 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1424 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1425 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1426 | |
|
|
1427 | REQ_SEND; |
|
|
1428 | } |
|
|
1429 | |
|
|
1430 | void |
|
|
1431 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1432 | PPCODE: |
|
|
1433 | { |
|
|
1434 | dREQ; |
|
|
1435 | |
|
|
1436 | req->type = EIO_READDIR; |
|
|
1437 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1438 | |
|
|
1439 | if (flags & EIO_READDIR_DENTS) |
|
|
1440 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1441 | |
|
|
1442 | req_set_path1 (req, pathname); |
|
|
1443 | |
|
|
1444 | REQ_SEND; |
|
|
1445 | } |
|
|
1446 | |
|
|
1447 | void |
|
|
1448 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1449 | PPCODE: |
|
|
1450 | { |
|
|
1451 | dREQ; |
|
|
1452 | |
|
|
1453 | req->type = EIO_MKDIR; |
|
|
1454 | req->int2 = mode; |
|
|
1455 | req_set_path1 (req, pathname); |
|
|
1456 | |
|
|
1457 | REQ_SEND; |
|
|
1458 | } |
|
|
1459 | |
|
|
1460 | void |
1413 | aio_unlink (pathname,callback=&PL_sv_undef) |
1461 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
1414 | SV * pathname |
|
|
1415 | SV * callback |
|
|
1416 | ALIAS: |
1462 | ALIAS: |
1417 | aio_unlink = REQ_UNLINK |
1463 | aio_unlink = EIO_UNLINK |
1418 | aio_rmdir = REQ_RMDIR |
1464 | aio_rmdir = EIO_RMDIR |
1419 | aio_readdir = REQ_READDIR |
1465 | aio_readdir = EIO_READDIR |
1420 | PPCODE: |
1466 | PPCODE: |
1421 | { |
1467 | { |
1422 | dREQ; |
1468 | dREQ; |
1423 | |
1469 | |
1424 | req->type = ix; |
1470 | req->type = ix; |
1425 | req->data = newSVsv (pathname); |
1471 | req_set_path1 (req, pathname); |
1426 | req->dataptr = SvPVbyte_nolen (req->data); |
1472 | |
1427 | |
|
|
1428 | REQ_SEND; |
1473 | REQ_SEND; |
1429 | } |
1474 | } |
1430 | |
1475 | |
1431 | void |
1476 | void |
1432 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1477 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1433 | SV * oldpath |
|
|
1434 | SV * newpath |
|
|
1435 | SV * callback |
|
|
1436 | ALIAS: |
1478 | ALIAS: |
1437 | aio_link = REQ_LINK |
1479 | aio_link = EIO_LINK |
1438 | aio_symlink = REQ_SYMLINK |
1480 | aio_symlink = EIO_SYMLINK |
1439 | aio_rename = REQ_RENAME |
1481 | aio_rename = EIO_RENAME |
1440 | PPCODE: |
1482 | PPCODE: |
1441 | { |
1483 | { |
|
|
1484 | eio_wd wd2 = 0; |
1442 | dREQ; |
1485 | dREQ; |
1443 | |
1486 | |
1444 | req->type = ix; |
1487 | req->type = ix; |
1445 | req->fh = newSVsv (oldpath); |
1488 | req_set_path1 (req, oldpath); |
1446 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1489 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1447 | req->data = newSVsv (newpath); |
1490 | req->int3 = (long)wd2; |
1448 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1449 | |
1491 | |
1450 | REQ_SEND; |
1492 | REQ_SEND; |
1451 | } |
1493 | } |
1452 | |
1494 | |
1453 | void |
1495 | void |
1454 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1496 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
1455 | SV * pathname |
|
|
1456 | SV * callback |
|
|
1457 | UV mode |
|
|
1458 | UV dev |
|
|
1459 | PPCODE: |
1497 | PPCODE: |
1460 | { |
1498 | { |
1461 | dREQ; |
1499 | dREQ; |
1462 | |
1500 | |
1463 | req->type = REQ_MKNOD; |
1501 | req->type = EIO_MKNOD; |
1464 | req->data = newSVsv (pathname); |
|
|
1465 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1466 | req->mode = (mode_t)mode; |
1502 | req->int2 = (mode_t)mode; |
1467 | req->offset = dev; |
1503 | req->offs = dev; |
|
|
1504 | req_set_path1 (req, pathname); |
1468 | |
1505 | |
1469 | REQ_SEND; |
1506 | REQ_SEND; |
1470 | } |
1507 | } |
1471 | |
1508 | |
1472 | void |
1509 | void |
|
|
1510 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) |
|
|
1511 | ALIAS: |
|
|
1512 | aio_mtouch = EIO_MTOUCH |
|
|
1513 | aio_msync = EIO_MSYNC |
|
|
1514 | PPCODE: |
|
|
1515 | { |
|
|
1516 | STRLEN svlen; |
|
|
1517 | char *svptr = SvPVbyte (data, svlen); |
|
|
1518 | UV len = SvUV (length); |
|
|
1519 | |
|
|
1520 | if (offset < 0) |
|
|
1521 | offset += svlen; |
|
|
1522 | |
|
|
1523 | if (offset < 0 || offset > svlen) |
|
|
1524 | croak ("offset outside of scalar"); |
|
|
1525 | |
|
|
1526 | if (!SvOK (length) || len + offset > svlen) |
|
|
1527 | len = svlen - offset; |
|
|
1528 | |
|
|
1529 | { |
|
|
1530 | dREQ; |
|
|
1531 | |
|
|
1532 | req->type = ix; |
|
|
1533 | req->sv2 = SvREFCNT_inc (data); |
|
|
1534 | req->ptr2 = (char *)svptr + offset; |
|
|
1535 | req->size = len; |
|
|
1536 | req->int1 = flags; |
|
|
1537 | |
|
|
1538 | REQ_SEND; |
|
|
1539 | } |
|
|
1540 | } |
|
|
1541 | |
|
|
1542 | void |
|
|
1543 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1544 | PPCODE: |
|
|
1545 | { |
|
|
1546 | STRLEN svlen; |
|
|
1547 | char *svptr = SvPVbyte (data, svlen); |
|
|
1548 | UV len = SvUV (length); |
|
|
1549 | |
|
|
1550 | if (offset < 0) |
|
|
1551 | offset += svlen; |
|
|
1552 | |
|
|
1553 | if (offset < 0 || offset > svlen) |
|
|
1554 | croak ("offset outside of scalar"); |
|
|
1555 | |
|
|
1556 | if (!SvOK (length) || len + offset > svlen) |
|
|
1557 | len = svlen - offset; |
|
|
1558 | |
|
|
1559 | { |
|
|
1560 | dREQ; |
|
|
1561 | |
|
|
1562 | req->type = EIO_MLOCK; |
|
|
1563 | req->sv2 = SvREFCNT_inc (data); |
|
|
1564 | req->ptr2 = (char *)svptr + offset; |
|
|
1565 | req->size = len; |
|
|
1566 | |
|
|
1567 | REQ_SEND; |
|
|
1568 | } |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void |
|
|
1572 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1573 | PPCODE: |
|
|
1574 | { |
|
|
1575 | dREQ; |
|
|
1576 | |
|
|
1577 | req->type = EIO_MLOCKALL; |
|
|
1578 | req->int1 = flags; |
|
|
1579 | |
|
|
1580 | REQ_SEND; |
|
|
1581 | } |
|
|
1582 | |
|
|
1583 | void |
|
|
1584 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1585 | PPCODE: |
|
|
1586 | { |
|
|
1587 | int fd = s_fileno_croak (fh, 0); |
|
|
1588 | dREQ; |
|
|
1589 | |
|
|
1590 | req->type = EIO_CUSTOM; |
|
|
1591 | req->sv1 = newSVsv (fh); |
|
|
1592 | req->int1 = fd; |
|
|
1593 | |
|
|
1594 | req->feed = fiemap; |
|
|
1595 | #if HAVE_FIEMAP |
|
|
1596 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1597 | req->offs = start; |
|
|
1598 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1599 | req->int2 = flags; |
|
|
1600 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1601 | #endif |
|
|
1602 | |
|
|
1603 | REQ_SEND; |
|
|
1604 | } |
|
|
1605 | |
|
|
1606 | void |
1473 | aio_busy (delay,callback=&PL_sv_undef) |
1607 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1474 | double delay |
|
|
1475 | SV * callback |
|
|
1476 | PPCODE: |
1608 | PPCODE: |
1477 | { |
1609 | { |
1478 | dREQ; |
1610 | dREQ; |
1479 | |
1611 | |
1480 | req->type = REQ_BUSY; |
1612 | req->type = EIO_BUSY; |
1481 | req->fd = delay < 0. ? 0 : delay; |
1613 | req->nv1 = delay < 0. ? 0. : delay; |
1482 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1483 | |
1614 | |
1484 | REQ_SEND; |
1615 | REQ_SEND; |
1485 | } |
1616 | } |
1486 | |
1617 | |
1487 | void |
1618 | void |
1488 | aio_group (callback=&PL_sv_undef) |
1619 | aio_group (SV *callback = &PL_sv_undef) |
1489 | SV * callback |
|
|
1490 | PROTOTYPE: ;$ |
|
|
1491 | PPCODE: |
1620 | PPCODE: |
1492 | { |
1621 | { |
1493 | dREQ; |
1622 | dREQ; |
1494 | |
1623 | |
1495 | req->type = REQ_GROUP; |
1624 | req->type = EIO_GROUP; |
|
|
1625 | |
|
|
1626 | PUTBACK; |
1496 | req_send (req); |
1627 | req_submit (req); |
|
|
1628 | SPAGAIN; |
1497 | |
1629 | |
1498 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1630 | XPUSHs (req_sv (req, aio_grp_stash)); |
1499 | } |
1631 | } |
1500 | |
1632 | |
1501 | void |
1633 | void |
1502 | aio_nop (callback=&PL_sv_undef) |
1634 | aio_nop (SV *callback = &PL_sv_undef) |
1503 | SV * callback |
1635 | ALIAS: |
|
|
1636 | aio_nop = EIO_NOP |
|
|
1637 | aio_sync = EIO_SYNC |
1504 | PPCODE: |
1638 | PPCODE: |
1505 | { |
1639 | { |
1506 | dREQ; |
1640 | dREQ; |
1507 | |
1641 | |
1508 | req->type = REQ_NOP; |
1642 | req->type = ix; |
1509 | |
1643 | |
1510 | REQ_SEND; |
1644 | REQ_SEND; |
1511 | } |
1645 | } |
1512 | |
1646 | |
1513 | int |
1647 | int |
1514 | aioreq_pri (int pri = 0) |
1648 | aioreq_pri (int pri = NO_INIT) |
1515 | PROTOTYPE: ;$ |
|
|
1516 | CODE: |
1649 | CODE: |
1517 | RETVAL = next_pri - PRI_BIAS; |
1650 | RETVAL = next_pri; |
1518 | if (items > 0) |
1651 | if (items > 0) |
1519 | { |
1652 | { |
1520 | if (pri < PRI_MIN) pri = PRI_MIN; |
1653 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1521 | if (pri > PRI_MAX) pri = PRI_MAX; |
1654 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1522 | next_pri = pri + PRI_BIAS; |
1655 | next_pri = pri; |
1523 | } |
1656 | } |
1524 | OUTPUT: |
1657 | OUTPUT: |
1525 | RETVAL |
1658 | RETVAL |
1526 | |
1659 | |
1527 | void |
1660 | void |
1528 | aioreq_nice (int nice = 0) |
1661 | aioreq_nice (int nice = 0) |
1529 | CODE: |
1662 | CODE: |
1530 | nice = next_pri - nice; |
1663 | nice = next_pri - nice; |
1531 | if (nice < PRI_MIN) nice = PRI_MIN; |
1664 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1532 | if (nice > PRI_MAX) nice = PRI_MAX; |
1665 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1533 | next_pri = nice + PRI_BIAS; |
1666 | next_pri = nice; |
1534 | |
1667 | |
1535 | void |
1668 | void |
1536 | flush () |
1669 | flush () |
|
|
1670 | CODE: |
|
|
1671 | while (eio_nreqs ()) |
|
|
1672 | { |
|
|
1673 | poll_wait (); |
|
|
1674 | poll_cb (); |
|
|
1675 | } |
|
|
1676 | |
|
|
1677 | int |
|
|
1678 | poll () |
|
|
1679 | CODE: |
|
|
1680 | poll_wait (); |
|
|
1681 | RETVAL = poll_cb (); |
|
|
1682 | OUTPUT: |
|
|
1683 | RETVAL |
|
|
1684 | |
|
|
1685 | int |
|
|
1686 | poll_fileno () |
|
|
1687 | CODE: |
|
|
1688 | RETVAL = s_epipe_fd (&respipe); |
|
|
1689 | OUTPUT: |
|
|
1690 | RETVAL |
|
|
1691 | |
|
|
1692 | int |
|
|
1693 | poll_cb (...) |
1537 | PROTOTYPE: |
1694 | PROTOTYPE: |
1538 | CODE: |
1695 | CODE: |
1539 | while (nreqs) |
|
|
1540 | { |
|
|
1541 | poll_wait (); |
|
|
1542 | poll_cb (0); |
1696 | RETVAL = poll_cb (); |
1543 | } |
|
|
1544 | |
|
|
1545 | void |
|
|
1546 | poll() |
|
|
1547 | PROTOTYPE: |
|
|
1548 | CODE: |
|
|
1549 | if (nreqs) |
|
|
1550 | { |
|
|
1551 | poll_wait (); |
|
|
1552 | poll_cb (0); |
|
|
1553 | } |
|
|
1554 | |
|
|
1555 | int |
|
|
1556 | poll_fileno() |
|
|
1557 | PROTOTYPE: |
|
|
1558 | CODE: |
|
|
1559 | RETVAL = respipe [0]; |
|
|
1560 | OUTPUT: |
1697 | OUTPUT: |
1561 | RETVAL |
1698 | RETVAL |
1562 | |
1699 | |
|
|
1700 | void |
|
|
1701 | poll_wait () |
|
|
1702 | CODE: |
|
|
1703 | poll_wait (); |
|
|
1704 | |
1563 | int |
1705 | int |
1564 | poll_cb(...) |
1706 | nreqs () |
1565 | PROTOTYPE: |
|
|
1566 | CODE: |
1707 | CODE: |
1567 | RETVAL = poll_cb (0); |
1708 | RETVAL = eio_nreqs (); |
1568 | OUTPUT: |
1709 | OUTPUT: |
1569 | RETVAL |
1710 | RETVAL |
1570 | |
1711 | |
1571 | int |
1712 | int |
1572 | poll_some(int max = 0) |
1713 | nready () |
1573 | PROTOTYPE: $ |
|
|
1574 | CODE: |
1714 | CODE: |
1575 | RETVAL = poll_cb (max); |
1715 | RETVAL = eio_nready (); |
1576 | OUTPUT: |
1716 | OUTPUT: |
1577 | RETVAL |
1717 | RETVAL |
1578 | |
1718 | |
1579 | void |
1719 | int |
1580 | poll_wait() |
1720 | npending () |
1581 | PROTOTYPE: |
|
|
1582 | CODE: |
1721 | CODE: |
1583 | if (nreqs) |
1722 | RETVAL = eio_npending (); |
1584 | poll_wait (); |
|
|
1585 | |
|
|
1586 | int |
|
|
1587 | nreqs() |
|
|
1588 | PROTOTYPE: |
|
|
1589 | CODE: |
|
|
1590 | RETVAL = nreqs; |
|
|
1591 | OUTPUT: |
1723 | OUTPUT: |
1592 | RETVAL |
1724 | RETVAL |
1593 | |
1725 | |
1594 | int |
1726 | int |
1595 | nready() |
1727 | nthreads () |
1596 | PROTOTYPE: |
|
|
1597 | CODE: |
1728 | CODE: |
1598 | RETVAL = get_nready (); |
1729 | RETVAL = eio_nthreads (); |
1599 | OUTPUT: |
1730 | OUTPUT: |
1600 | RETVAL |
1731 | RETVAL |
1601 | |
1732 | |
1602 | int |
1733 | int |
1603 | npending() |
1734 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1604 | PROTOTYPE: |
1735 | CODE: |
|
|
1736 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1737 | OUTPUT: |
|
|
1738 | RETVAL |
|
|
1739 | |
|
|
1740 | IV |
|
|
1741 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1742 | CODE: |
|
|
1743 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1744 | OUTPUT: |
|
|
1745 | RETVAL |
|
|
1746 | |
|
|
1747 | void |
|
|
1748 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
1749 | PPCODE: |
|
|
1750 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1751 | { |
|
|
1752 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1753 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1754 | if (addr == (void *)-1) |
|
|
1755 | XSRETURN_NO; |
|
|
1756 | |
|
|
1757 | sv_force_normal (scalar); |
|
|
1758 | |
|
|
1759 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1760 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1761 | ->mg_obj = (SV *)length; |
|
|
1762 | |
|
|
1763 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1764 | |
|
|
1765 | if (!(prot & PROT_WRITE)) |
|
|
1766 | SvREADONLY_on (scalar); |
|
|
1767 | |
|
|
1768 | if (SvLEN (scalar)) |
|
|
1769 | Safefree (SvPVX (scalar)); |
|
|
1770 | |
|
|
1771 | SvPVX (scalar) = (char *)addr; |
|
|
1772 | SvCUR_set (scalar, length); |
|
|
1773 | SvLEN_set (scalar, 0); |
|
|
1774 | SvPOK_only (scalar); |
|
|
1775 | |
|
|
1776 | XSRETURN_YES; |
|
|
1777 | } |
|
|
1778 | |
|
|
1779 | void |
|
|
1780 | munmap (SV *scalar) |
1605 | CODE: |
1781 | CODE: |
1606 | RETVAL = get_npending (); |
1782 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1783 | |
|
|
1784 | int |
|
|
1785 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1786 | ALIAS: |
|
|
1787 | mprotect = 1 |
|
|
1788 | CODE: |
|
|
1789 | { |
|
|
1790 | STRLEN svlen; |
|
|
1791 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1792 | STRLEN len = SvUV (length); |
|
|
1793 | |
|
|
1794 | if (offset < 0) |
|
|
1795 | offset += svlen; |
|
|
1796 | |
|
|
1797 | if (offset < 0 || offset > svlen) |
|
|
1798 | croak ("offset outside of scalar"); |
|
|
1799 | |
|
|
1800 | if (!SvOK (length) || len + offset > svlen) |
|
|
1801 | len = svlen - offset; |
|
|
1802 | |
|
|
1803 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1804 | eio_page_align (&addr, &len); |
|
|
1805 | |
|
|
1806 | switch (ix) |
|
|
1807 | { |
|
|
1808 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1809 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1810 | } |
|
|
1811 | } |
1607 | OUTPUT: |
1812 | OUTPUT: |
1608 | RETVAL |
1813 | RETVAL |
|
|
1814 | |
|
|
1815 | int |
|
|
1816 | munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
|
|
1817 | CODE: |
|
|
1818 | { |
|
|
1819 | STRLEN svlen; |
|
|
1820 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1821 | size_t len = SvUV (length); |
|
|
1822 | |
|
|
1823 | if (offset < 0) |
|
|
1824 | offset += svlen; |
|
|
1825 | |
|
|
1826 | if (offset < 0 || offset > svlen) |
|
|
1827 | croak ("offset outside of scalar"); |
|
|
1828 | |
|
|
1829 | if (!SvOK (length) || len + offset > svlen) |
|
|
1830 | len = svlen - offset; |
|
|
1831 | |
|
|
1832 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1833 | eio_page_align (&addr, &len); |
|
|
1834 | #if _POSIX_MEMLOCK_RANGE |
|
|
1835 | RETVAL = munlock (addr, len); |
|
|
1836 | #else |
|
|
1837 | RETVAL = EIO_ENOSYS (); |
|
|
1838 | #endif |
|
|
1839 | } |
|
|
1840 | OUTPUT: |
|
|
1841 | RETVAL |
|
|
1842 | |
|
|
1843 | int |
|
|
1844 | munlockall () |
|
|
1845 | CODE: |
|
|
1846 | #if _POSIX_MEMLOCK |
|
|
1847 | munlockall (); |
|
|
1848 | #else |
|
|
1849 | RETVAL = EIO_ENOSYS (); |
|
|
1850 | #endif |
|
|
1851 | OUTPUT: |
|
|
1852 | RETVAL |
|
|
1853 | |
|
|
1854 | int |
|
|
1855 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1856 | CODE: |
|
|
1857 | { |
|
|
1858 | #if HAVE_LINUX_SPLICE |
|
|
1859 | loff_t off_in_, off_out_; |
|
|
1860 | RETVAL = splice ( |
|
|
1861 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1862 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1863 | length, flags |
|
|
1864 | ); |
|
|
1865 | #else |
|
|
1866 | RETVAL = EIO_ENOSYS (); |
|
|
1867 | #endif |
|
|
1868 | } |
|
|
1869 | OUTPUT: |
|
|
1870 | RETVAL |
|
|
1871 | |
|
|
1872 | int |
|
|
1873 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
1874 | CODE: |
|
|
1875 | #if HAVE_LINUX_SPLICE |
|
|
1876 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
1877 | #else |
|
|
1878 | RETVAL = EIO_ENOSYS (); |
|
|
1879 | #endif |
|
|
1880 | OUTPUT: |
|
|
1881 | RETVAL |
|
|
1882 | |
|
|
1883 | int |
|
|
1884 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
1885 | PROTOTYPE: $;$ |
|
|
1886 | CODE: |
|
|
1887 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
1888 | if (new_size >= 0) |
|
|
1889 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
1890 | else |
|
|
1891 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
1892 | #else |
|
|
1893 | errno = ENOSYS; |
|
|
1894 | RETVAL = -1; |
|
|
1895 | #endif |
|
|
1896 | OUTPUT: |
|
|
1897 | RETVAL |
|
|
1898 | |
|
|
1899 | void |
|
|
1900 | pipe2 (int flags = 0) |
|
|
1901 | PROTOTYPE: ;$ |
|
|
1902 | PPCODE: |
|
|
1903 | { |
|
|
1904 | int fd[2]; |
|
|
1905 | int res; |
|
|
1906 | |
|
|
1907 | if (flags) |
|
|
1908 | #if HAVE_PIPE2 |
|
|
1909 | res = pipe2 (fd, flags); |
|
|
1910 | #else |
|
|
1911 | res = (errno = ENOSYS, -1); |
|
|
1912 | #endif |
|
|
1913 | else |
|
|
1914 | res = pipe (fd); |
|
|
1915 | |
|
|
1916 | if (!res) |
|
|
1917 | { |
|
|
1918 | EXTEND (SP, 2); |
|
|
1919 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
1920 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
1921 | } |
|
|
1922 | } |
|
|
1923 | |
|
|
1924 | void _on_next_submit (SV *cb) |
|
|
1925 | CODE: |
|
|
1926 | SvREFCNT_dec (on_next_submit); |
|
|
1927 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1609 | |
1928 | |
1610 | PROTOTYPES: DISABLE |
1929 | PROTOTYPES: DISABLE |
|
|
1930 | |
|
|
1931 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1932 | |
|
|
1933 | BOOT: |
|
|
1934 | { |
|
|
1935 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1936 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1937 | } |
|
|
1938 | |
|
|
1939 | void |
|
|
1940 | DESTROY (SV *self) |
|
|
1941 | CODE: |
|
|
1942 | { |
|
|
1943 | aio_wd wd = SvAIO_WD (self); |
|
|
1944 | #if HAVE_AT |
|
|
1945 | { |
|
|
1946 | SV *callback = &PL_sv_undef; |
|
|
1947 | dREQ; /* clobbers next_pri :/ */ |
|
|
1948 | next_pri = req->pri; /* restore next_pri */ |
|
|
1949 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
1950 | req->type = EIO_WD_CLOSE; |
|
|
1951 | req->wd = wd; |
|
|
1952 | REQ_SEND; |
|
|
1953 | } |
|
|
1954 | #else |
|
|
1955 | eio_wd_close_sync (wd); |
|
|
1956 | #endif |
|
|
1957 | } |
1611 | |
1958 | |
1612 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1959 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1613 | |
1960 | |
1614 | void |
1961 | void |
1615 | cancel (aio_req_ornot req) |
1962 | cancel (aio_req_ornot req) |
1616 | CODE: |
1963 | CODE: |
1617 | req_cancel (req); |
1964 | eio_cancel (req); |
1618 | |
1965 | |
1619 | void |
1966 | void |
1620 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1967 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
1621 | CODE: |
1968 | PPCODE: |
|
|
1969 | { |
|
|
1970 | if (GIMME_V != G_VOID) |
|
|
1971 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1972 | |
|
|
1973 | if (items > 1) |
|
|
1974 | { |
|
|
1975 | SV *cb_cv = get_cb (callback); |
|
|
1976 | |
1622 | SvREFCNT_dec (req->callback); |
1977 | SvREFCNT_dec (req->callback); |
1623 | req->callback = newSVsv (callback); |
1978 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1979 | } |
|
|
1980 | } |
1624 | |
1981 | |
1625 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1982 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1626 | |
1983 | |
1627 | void |
1984 | void |
1628 | add (aio_req grp, ...) |
1985 | add (aio_req grp, ...) |
1629 | PPCODE: |
1986 | PPCODE: |
1630 | { |
1987 | { |
1631 | int i; |
1988 | int i; |
1632 | aio_req req; |
|
|
1633 | |
1989 | |
1634 | if (grp->fd == 2) |
1990 | if (grp->int1 == 2) |
1635 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1991 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1636 | |
1992 | |
1637 | for (i = 1; i < items; ++i ) |
1993 | for (i = 1; i < items; ++i ) |
1638 | { |
1994 | { |
|
|
1995 | aio_req req; |
|
|
1996 | |
1639 | if (GIMME_V != G_VOID) |
1997 | if (GIMME_V != G_VOID) |
1640 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1998 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1641 | |
1999 | |
1642 | req = SvAIO_REQ (ST (i)); |
2000 | req = SvAIO_REQ (ST (i)); |
1643 | |
2001 | |
1644 | if (req) |
2002 | if (req) |
1645 | { |
2003 | eio_grp_add (grp, req); |
1646 | ++grp->length; |
|
|
1647 | req->grp = grp; |
|
|
1648 | |
|
|
1649 | req->grp_prev = 0; |
|
|
1650 | req->grp_next = grp->grp_first; |
|
|
1651 | |
|
|
1652 | if (grp->grp_first) |
|
|
1653 | grp->grp_first->grp_prev = req; |
|
|
1654 | |
|
|
1655 | grp->grp_first = req; |
|
|
1656 | } |
|
|
1657 | } |
2004 | } |
1658 | } |
2005 | } |
1659 | |
2006 | |
1660 | void |
2007 | void |
1661 | cancel_subs (aio_req_ornot req) |
2008 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1670 | AV *av; |
2017 | AV *av; |
1671 | |
2018 | |
1672 | grp->errorno = errno; |
2019 | grp->errorno = errno; |
1673 | |
2020 | |
1674 | av = newAV (); |
2021 | av = newAV (); |
|
|
2022 | av_extend (av, items - 1); |
1675 | |
2023 | |
1676 | for (i = 1; i < items; ++i ) |
2024 | for (i = 1; i < items; ++i ) |
1677 | av_push (av, newSVsv (ST (i))); |
2025 | av_push (av, newSVsv (ST (i))); |
1678 | |
2026 | |
1679 | SvREFCNT_dec (grp->data); |
2027 | SvREFCNT_dec (grp->sv1); |
1680 | grp->data = (SV *)av; |
2028 | grp->sv1 = (SV *)av; |
1681 | } |
2029 | } |
1682 | |
2030 | |
1683 | void |
2031 | void |
1684 | errno (aio_req grp, int errorno = errno) |
2032 | errno (aio_req grp, int errorno = errno) |
1685 | CODE: |
2033 | CODE: |
1686 | grp->errorno = errorno; |
2034 | grp->errorno = errorno; |
1687 | |
2035 | |
1688 | void |
2036 | void |
1689 | limit (aio_req grp, int limit) |
2037 | limit (aio_req grp, int limit) |
1690 | CODE: |
2038 | CODE: |
1691 | grp->fd2 = limit; |
2039 | eio_grp_limit (grp, limit); |
1692 | aio_grp_feed (grp); |
|
|
1693 | |
2040 | |
1694 | void |
2041 | void |
1695 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2042 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
1696 | CODE: |
2043 | CODE: |
1697 | { |
2044 | { |
1698 | SvREFCNT_dec (grp->fh2); |
2045 | SvREFCNT_dec (grp->sv2); |
1699 | grp->fh2 = newSVsv (callback); |
2046 | grp->sv2 = newSVsv (callback); |
|
|
2047 | grp->feed = aio_grp_feed; |
1700 | |
2048 | |
1701 | if (grp->fd2 <= 0) |
2049 | if (grp->int2 <= 0) |
1702 | grp->fd2 = 2; |
2050 | grp->int2 = 2; |
1703 | |
2051 | |
1704 | aio_grp_feed (grp); |
2052 | eio_grp_limit (grp, grp->int2); |
1705 | } |
2053 | } |
1706 | |
2054 | |